139956032 has 56 divisors (see below), whose sum is σ = 285195264. Its totient is φ = 68124672.

The previous prime is 139956031. The next prime is 139956043. The reversal of 139956032 is 230659931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139956031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544448 + ... + 544704.

Almost surely, 2^139956032 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 139956032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142597632).

139956032 is an abundant number, since it is smaller than the sum of its proper divisors (145239232).

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

139956032 is a wasteful number, since it uses less digits than its factorization.

139956032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 139956032 is about 11830.3014331842. The cubic root of 139956032 is about 519.1950464982.

The spelling of 139956032 in words is "one hundred thirty-nine million, nine hundred fifty-six thousand, thirty-two".