139377152 has 80 divisors (see below), whose sum is σ = 300516480. Its totient is φ = 64339968.

The previous prime is 139377143. The next prime is 139377157. The reversal of 139377152 is 251773931.

It is a super-2 number, since 2×139377152² = 38851980999262208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139377157) 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, 583049 + ... + 583287.

It is an arithmetic number, because the mean of its divisors is an integer number (3756456).

Almost surely, 2^139377152 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 139377152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150258240).

139377152 is an abundant number, since it is smaller than the sum of its proper divisors (161139328).

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

139377152 is an equidigital number, since it uses as much as digits as its factorization.

139377152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 325 counting only the distinct ones).

The product of its digits is 39690, while the sum is 38.

The square root of 139377152 is about 11805.8100950337. The cubic root of 139377152 is about 518.4782333792.

The spelling of 139377152 in words is "one hundred thirty-nine million, three hundred seventy-seven thousand, one hundred fifty-two".