139152057 has 16 divisors (see below), whose sum is σ = 204081600. Its totient is φ = 84332160.

The previous prime is 139152049. The next prime is 139152061. The reversal of 139152057 is 750251931.

It is not a de Polignac number, because 139152057 - 2³ = 139152049 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (139152037) 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, 13432 + ... + 21417.

It is an arithmetic number, because the mean of its divisors is an integer number (12755100).

Almost surely, 2^139152057 is an apocalyptic number.

It is an amenable number.

139152057 is a deficient number, since it is larger than the sum of its proper divisors (64929543).

139152057 is an equidigital number, since it uses as much as digits as its factorization.

139152057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34885 (or 34863 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 33.

The square root of 139152057 is about 11796.2730131173. The cubic root of 139152057 is about 518.1989677555.

The spelling of 139152057 in words is "one hundred thirty-nine million, one hundred fifty-two thousand, fifty-seven".