139113990 has 32 divisors (see below), whose sum is σ = 370971360. Its totient is φ = 37096992.

The previous prime is 139113979. The next prime is 139114007. The reversal of 139113990 is 99311931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257349 + ... + 257888.

It is an arithmetic number, because the mean of its divisors is an integer number (11592855).

Almost surely, 2^139113990 is an apocalyptic number.

139113990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139113990 is an abundant number, since it is smaller than the sum of its proper divisors (231857370).

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

139113990 is a wasteful number, since it uses less digits than its factorization.

139113990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515253 (or 515247 counting only the distinct ones).

The product of its (nonzero) digits is 6561, while the sum is 36.

The square root of 139113990 is about 11794.6593846537. The cubic root of 139113990 is about 518.1517099102.

The spelling of 139113990 in words is "one hundred thirty-nine million, one hundred thirteen thousand, nine hundred ninety".