139053625 has 16 divisors (see below), whose sum is σ = 183749904. Its totient is φ = 104697600.

The previous prime is 139053583. The next prime is 139053641. The reversal of 139053625 is 526350931.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 35176761 + 103876864 = 5931^2 + 10192^2 .

It is not a de Polignac number, because 139053625 - 2⁹ = 139053113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30594 + ... + 34843.

It is an arithmetic number, because the mean of its divisors is an integer number (11484369).

Almost surely, 2^139053625 is an apocalyptic number.

It is an amenable number.

139053625 is a deficient number, since it is larger than the sum of its proper divisors (44696279).

139053625 is an equidigital number, since it uses as much as digits as its factorization.

139053625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65469 (or 65459 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 139053625 is about 11792.1001098193. The cubic root of 139053625 is about 518.0767527876.

The spelling of 139053625 in words is "one hundred thirty-nine million, fifty-three thousand, six hundred twenty-five".