139907088 has 100 divisors (see below), whose sum is σ = 414965628. Its totient is φ = 45480960.

The previous prime is 139907081. The next prime is 139907111. The reversal of 139907088 is 880709931.

It can be written as a sum of positive squares in 2 ways, for example, as 13749264 + 126157824 = 3708^2 + 11232^2 .

It is not an unprimeable number, because it can be changed into a prime (139907081) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 51820 + ... + 54452.

Almost surely, 2^139907088 is an apocalyptic number.

139907088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139907088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207482814).

139907088 is an abundant number, since it is smaller than the sum of its proper divisors (275058540).

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

139907088 is a wasteful number, since it uses less digits than its factorization.

139907088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694 (or 2679 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 139907088 is about 11828.2326659565. The cubic root of 139907088 is about 519.1345169048.

The spelling of 139907088 in words is "one hundred thirty-nine million, nine hundred seven thousand, eighty-eight".