139252325 has 24 divisors (see below), whose sum is σ = 177131520. Its totient is φ = 108561600.

The previous prime is 139252319. The next prime is 139252357. The reversal of 139252325 is 523252931.

It is not a de Polignac number, because 139252325 - 2¹² = 139248229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139252291 and 139252300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193316 + ... + 194034.

It is an arithmetic number, because the mean of its divisors is an integer number (7380480).

Almost surely, 2^139252325 is an apocalyptic number.

It is an amenable number.

139252325 is a deficient number, since it is larger than the sum of its proper divisors (37879195).

139252325 is a wasteful number, since it uses less digits than its factorization.

139252325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917 (or 912 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

The square root of 139252325 is about 11800.5222342064. The cubic root of 139252325 is about 518.3234030923.

The spelling of 139252325 in words is "one hundred thirty-nine million, two hundred fifty-two thousand, three hundred twenty-five".