139152025 has 24 divisors (see below), whose sum is σ = 178956800. Its totient is φ = 107222400.

The previous prime is 139152023. The next prime is 139152037. The reversal of 139152025 is 520251931.

It is not a de Polignac number, because 139152025 - 2¹ = 139152023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139151984 and 139152002.

It is not an unprimeable number, because it can be changed into a prime (139152023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 316756 + ... + 317194.

Almost surely, 2^139152025 is an apocalyptic number.

It is an amenable number.

139152025 is a deficient number, since it is larger than the sum of its proper divisors (39804775).

139152025 is a wasteful number, since it uses less digits than its factorization.

139152025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889 (or 884 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 139152025 is about 11796.2716567566. The cubic root of 139152025 is about 518.1989280331.

The spelling of 139152025 in words is "one hundred thirty-nine million, one hundred fifty-two thousand, twenty-five".