139592920 has 16 divisors (see below), whose sum is σ = 314084160. Its totient is φ = 55837152.

The previous prime is 139592917. The next prime is 139592951. The reversal of 139592920 is 29295931.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 3489823 = 139592920 / (1 + 3 + 9 + 5 + 9 + 2 + 9 + 2 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1744872 + ... + 1744951.

It is an arithmetic number, because the mean of its divisors is an integer number (19630260).

Almost surely, 2^139592920 is an apocalyptic number.

139592920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139592920 is an abundant number, since it is smaller than the sum of its proper divisors (174491240).

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

139592920 is a wasteful number, since it uses less digits than its factorization.

139592920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3489834 (or 3489830 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 139592920 is about 11814.9447734638. The cubic root of 139592920 is about 518.7456452917.

The spelling of 139592920 in words is "one hundred thirty-nine million, five hundred ninety-two thousand, nine hundred twenty".