139095912 has 16 divisors (see below), whose sum is σ = 347739840. Its totient is φ = 46365296.

The previous prime is 139095911. The next prime is 139095937. The reversal of 139095912 is 219590931.

It is a super-2 number, since 2×139095912² = 38695345470223488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (139095911) 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 3 ways as a sum of consecutive naturals, for example, 2897808 + ... + 2897855.

It is an arithmetic number, because the mean of its divisors is an integer number (21733740).

Almost surely, 2^139095912 is an apocalyptic number.

139095912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139095912 is an abundant number, since it is smaller than the sum of its proper divisors (208643928).

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

139095912 is a wasteful number, since it uses less digits than its factorization.

139095912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5795672 (or 5795668 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 39.

The square root of 139095912 is about 11793.8929959535. The cubic root of 139095912 is about 518.1292641629.

The spelling of 139095912 in words is "one hundred thirty-nine million, ninety-five thousand, nine hundred twelve".