139957002 has 96 divisors (see below), whose sum is σ = 338257920. Its totient is φ = 41640480.

The previous prime is 139956979. The next prime is 139957019. The reversal of 139957002 is 200759931.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 455733 + ... + 456039.

It is an arithmetic number, because the mean of its divisors is an integer number (3523520).

Almost surely, 2^139957002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139957002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169128960).

139957002 is an abundant number, since it is smaller than the sum of its proper divisors (198300918).

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

139957002 is a wasteful number, since it uses less digits than its factorization.

139957002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 139957002 is about 11830.3424295326. The cubic root of 139957002 is about 519.1962459655.

The spelling of 139957002 in words is "one hundred thirty-nine million, nine hundred fifty-seven thousand, two".