140526 has 24 divisors (see below), whose sum is σ = 314184. Its totient is φ = 45360.

The previous prime is 140521. The next prime is 140527. The reversal of 140526 is 625041.

140526 = T₆₈ + T₆₉ + ... + T₁₀₄.

It is a happy number.

140526 is a `hidden beast` number, since 140 + 526 = 666.

140526 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a plaindrome in base 16.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 140499 and 140508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140521) by changing a digit.

140526 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 561 + ... + 771.

It is an arithmetic number, because the mean of its divisors is an integer number (13091).

2¹⁴⁰⁵²⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157092).

140526 is an abundant number, since it is smaller than the sum of its proper divisors (173658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140526 is a wasteful number, since it uses less digits than its factorization.

140526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 140526 is about 374.8679767598. The cubic root of 140526 is about 51.9898895531.

Adding to 140526 its reverse (625041), we get a palindrome (765567).

It can be divided in two parts, 1405 and 26, that added together give a triangular number (1431 = T₅₃).

The spelling of 140526 in words is "one hundred forty thousand, five hundred twenty-six".