139216320 has 280 divisors, whose sum is σ = 511167888. Its totient is φ = 35942400.

The previous prime is 139216307. The next prime is 139216379. The reversal of 139216320 is 23612931.

139216320 is a `hidden beast` number, since 1 + 3 + 9 + 21 + 632 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1062655 + ... + 1062785.

Almost surely, 2^139216320 is an apocalyptic number.

139216320 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 139216320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255583944).

139216320 is an abundant number, since it is smaller than the sum of its proper divisors (371951568).

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

139216320 is a wasteful number, since it uses less digits than its factorization.

139216320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 139216320 is about 11798.9965675052. The cubic root of 139216320 is about 518.2787267759.

The spelling of 139216320 in words is "one hundred thirty-nine million, two hundred sixteen thousand, three hundred twenty".