139874368 has 56 divisors (see below), whose sum is σ = 299008800. Its totient is φ = 64677888.

The previous prime is 139874363. The next prime is 139874369. The reversal of 139874368 is 863478931.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (139874363) 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, 63103 + ... + 65281.

Almost surely, 2^139874368 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 139874368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149504400).

139874368 is an abundant number, since it is smaller than the sum of its proper divisors (159134432).

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

139874368 is a wasteful number, since it uses less digits than its factorization.

139874368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267 (or 2257 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 139874368 is about 11826.8494536795. The cubic root of 139874368 is about 519.0940438404.

The spelling of 139874368 in words is "one hundred thirty-nine million, eight hundred seventy-four thousand, three hundred sixty-eight".