139382880 has 192 divisors, whose sum is σ = 540546048. Its totient is φ = 29399040.

The previous prime is 139382861. The next prime is 139382891. The reversal of 139382880 is 88283931.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42085 + ... + 45275.

It is an arithmetic number, because the mean of its divisors is an integer number (2815344).

Almost surely, 2^139382880 is an apocalyptic number.

139382880 is a gapful number since it is divisible by the number (10) 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 139382880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270273024).

139382880 is an abundant number, since it is smaller than the sum of its proper divisors (401163168).

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

139382880 is a wasteful number, since it uses less digits than its factorization.

139382880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3229 (or 3221 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 139382880 is about 11806.0526849578. The cubic root of 139382880 is about 518.4853359365.

The spelling of 139382880 in words is "one hundred thirty-nine million, three hundred eighty-two thousand, eight hundred eighty".