139097575 has 12 divisors (see below), whose sum is σ = 181559560. Its totient is φ = 105420960.

The previous prime is 139097533. The next prime is 139097593. The reversal of 139097575 is 575790931.

It is a happy number.

It is not a de Polignac number, because 139097575 - 2¹¹ = 139095527 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145944 + ... + 146893.

Almost surely, 2^139097575 is an apocalyptic number.

139097575 is a deficient number, since it is larger than the sum of its proper divisors (42461985).

139097575 is a wasteful number, since it uses less digits than its factorization.

139097575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292866 (or 292861 counting only the distinct ones).

The product of its (nonzero) digits is 297675, while the sum is 46.

The square root of 139097575 is about 11793.9634983325. The cubic root of 139097575 is about 518.1313290343.

The spelling of 139097575 in words is "one hundred thirty-nine million, ninety-seven thousand, five hundred seventy-five".