139372032 has 80 divisors (see below), whose sum is σ = 383404032. Its totient is φ = 44943360.

The previous prime is 139372031. The next prime is 139372043. The reversal of 139372032 is 230273931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139372031) 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, 46153 + ... + 49079.

Almost surely, 2^139372032 is an apocalyptic number.

139372032 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 139372032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191702016).

139372032 is an abundant number, since it is smaller than the sum of its proper divisors (244032000).

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

139372032 is an equidigital number, since it uses as much as digits as its factorization.

139372032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979 (or 2963 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 139372032 is about 11805.5932506588. The cubic root of 139372032 is about 518.4718845599.

The spelling of 139372032 in words is "one hundred thirty-nine million, three hundred seventy-two thousand, thirty-two".