139495825 has 12 divisors (see below), whose sum is σ = 197685760. Its totient is φ = 95654160.

The previous prime is 139495823. The next prime is 139495843. The reversal of 139495825 is 528594931.

It is not a de Polignac number, because 139495825 - 2¹ = 139495823 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 not an unprimeable number, because it can be changed into a prime (139495823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 398385 + ... + 398734.

Almost surely, 2^139495825 is an apocalyptic number.

It is an amenable number.

139495825 is a deficient number, since it is larger than the sum of its proper divisors (58189935).

139495825 is an equidigital number, since it uses as much as digits as its factorization.

139495825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797136 (or 797131 counting only the distinct ones).

The product of its digits is 388800, while the sum is 46.

The square root of 139495825 is about 11810.8350678519. The cubic root of 139495825 is about 518.6253447999.

The spelling of 139495825 in words is "one hundred thirty-nine million, four hundred ninety-five thousand, eight hundred twenty-five".