140040152 has 64 divisors (see below), whose sum is σ = 319464000. Its totient is φ = 56375808.

The previous prime is 140040149. The next prime is 140040157. The reversal of 140040152 is 251040041.

140040152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140040152² = 39222488344366208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 140040152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140040157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274874 + ... + 275382.

It is an arithmetic number, because the mean of its divisors is an integer number (4991625).

Almost surely, 2^140040152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140040152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159732000).

140040152 is an abundant number, since it is smaller than the sum of its proper divisors (179423848).

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

140040152 is an equidigital number, since it uses as much as digits as its factorization.

140040152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 140040152 is about 11833.8561762428. The cubic root of 140040152 is about 519.2990456839.

Adding to 140040152 its reverse (251040041), we get a palindrome (391080193).

The spelling of 140040152 in words is "one hundred forty million, forty thousand, one hundred fifty-two".