140525532 has 216 divisors, whose sum is σ = 444422160. Its totient is φ = 37255680.

The previous prime is 140525531. The next prime is 140525533. The reversal of 140525532 is 235525041.

It is a happy number.

140525532 is a `hidden beast` number, since 1 + 405 + 255 + 3 + 2 = 666.

140525532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140525531) and next prime (140525533).

It is a junction number, because it is equal to n+sod(n) for n = 140525496 and 140525505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140525531) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2097363 + ... + 2097429.

It is an arithmetic number, because the mean of its divisors is an integer number (2057510).

Almost surely, 2^140525532 is an apocalyptic number.

140525532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140525532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222211080).

140525532 is an abundant number, since it is smaller than the sum of its proper divisors (303896628).

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

140525532 is a wasteful number, since it uses less digits than its factorization.

140525532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 140525532 is about 11854.3465446224. The cubic root of 140525532 is about 519.8983183826.

The spelling of 140525532 in words is "one hundred forty million, five hundred twenty-five thousand, five hundred thirty-two".