139025164 has 6 divisors (see below), whose sum is σ = 243294044. Its totient is φ = 69512580.

The previous prime is 139025141. The next prime is 139025221. The reversal of 139025164 is 461520931.

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 as a sum of consecutive naturals, namely, 17378142 + ... + 17378149.

Almost surely, 2^139025164 is an apocalyptic number.

It is an amenable number.

139025164 is a deficient number, since it is larger than the sum of its proper divisors (104268880).

139025164 is a wasteful number, since it uses less digits than its factorization.

139025164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34756295 (or 34756293 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 139025164 is about 11790.8932655673. The cubic root of 139025164 is about 518.0414043419.

The spelling of 139025164 in words is "one hundred thirty-nine million, twenty-five thousand, one hundred sixty-four".