139880888 has 64 divisors (see below), whose sum is σ = 322080000. Its totient is φ = 56772576.

The previous prime is 139880861. The next prime is 139880893. The reversal of 139880888 is 888088931.

139880888 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50795 + ... + 53477.

It is an arithmetic number, because the mean of its divisors is an integer number (5032500).

Almost surely, 2^139880888 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 139880888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161040000).

139880888 is an abundant number, since it is smaller than the sum of its proper divisors (182199112).

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

139880888 is a wasteful number, since it uses less digits than its factorization.

139880888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729 (or 2711 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 53.

The square root of 139880888 is about 11827.1250944598. The cubic root of 139880888 is about 519.1021092699.

The spelling of 139880888 in words is "one hundred thirty-nine million, eight hundred eighty thousand, eight hundred eighty-eight".