139255325 has 24 divisors (see below), whose sum is σ = 190675296. Its totient is φ = 100040000.

The previous prime is 139255321. The next prime is 139255339. The reversal of 139255325 is 523552931.

139255325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139255325 - 2² = 139255321 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139255321) 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, 19775 + ... + 25875.

It is an arithmetic number, because the mean of its divisors is an integer number (7944804).

Almost surely, 2^139255325 is an apocalyptic number.

It is an amenable number.

139255325 is a deficient number, since it is larger than the sum of its proper divisors (51419971).

139255325 is a wasteful number, since it uses less digits than its factorization.

139255325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6205 (or 6200 counting only the distinct ones).

The product of its digits is 40500, while the sum is 35.

The square root of 139255325 is about 11800.6493465402. The cubic root of 139255325 is about 518.3271252541.

The spelling of 139255325 in words is "one hundred thirty-nine million, two hundred fifty-five thousand, three hundred twenty-five".