139152312 has 48 divisors (see below), whose sum is σ = 405863640. Its totient is φ = 42815808.

The previous prime is 139152311. The next prime is 139152317. The reversal of 139152312 is 213251931.

139152312 is a `hidden beast` number, since 139 + 1 + 523 + 1 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139152311) 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 11 ways as a sum of consecutive naturals, for example, 73398 + ... + 75269.

Almost surely, 2^139152312 is an apocalyptic number.

139152312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139152312 is an abundant number, since it is smaller than the sum of its proper divisors (266711328).

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

139152312 is a wasteful number, since it uses less digits than its factorization.

139152312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148692 (or 148685 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 139152312 is about 11796.2838216109. The cubic root of 139152312 is about 518.1992842933.

The spelling of 139152312 in words is "one hundred thirty-nine million, one hundred fifty-two thousand, three hundred twelve".