139011888 has 40 divisors (see below), whose sum is σ = 359657536. Its totient is φ = 46267200.

The previous prime is 139011883. The next prime is 139011911. The reversal of 139011888 is 888110931.

It is not an unprimeable number, because it can be changed into a prime (139011883) 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, 37143 + ... + 40713.

Almost surely, 2^139011888 is an apocalyptic number.

It is an amenable number.

139011888 is an abundant number, since it is smaller than the sum of its proper divisors (220645648).

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

139011888 is a wasteful number, since it uses less digits than its factorization.

139011888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393 (or 4387 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 39.

The square root of 139011888 is about 11790.3302752722. The cubic root of 139011888 is about 518.0249139540.

The spelling of 139011888 in words is "one hundred thirty-nine million, eleven thousand, eight hundred eighty-eight".