139152790 has 32 divisors (see below), whose sum is σ = 286746624. Its totient is φ = 47628000.

The previous prime is 139152763. The next prime is 139152791. The reversal of 139152790 is 97251931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139152791) by changing a digit.

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, 51247 + ... + 53893.

It is an arithmetic number, because the mean of its divisors is an integer number (8960832).

Almost surely, 2^139152790 is an apocalyptic number.

139152790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139152790 is an abundant number, since it is smaller than the sum of its proper divisors (147593834).

139152790 is a wasteful number, since it uses less digits than its factorization.

139152790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3412.

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 139152790 is about 11796.3040822115. The cubic root of 139152790 is about 518.1998776455.

The spelling of 139152790 in words is "one hundred thirty-nine million, one hundred fifty-two thousand, seven hundred ninety".