138079025 has 24 divisors (see below), whose sum is σ = 198451584. Its totient is φ = 93340800.

The previous prime is 138079001. The next prime is 138079031. The reversal of 138079025 is 520970831.

138079025 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 138079025 - 2⁸ = 138078769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian 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, 6869 + ... + 17981.

It is an arithmetic number, because the mean of its divisors is an integer number (8268816).

Almost surely, 2^138079025 is an apocalyptic number.

It is an amenable number.

138079025 is a deficient number, since it is larger than the sum of its proper divisors (60372559).

138079025 is a wasteful number, since it uses less digits than its factorization.

138079025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11201 (or 11196 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 138079025 is about 11750.7031704490. The cubic root of 138079025 is about 516.8635473513.

The spelling of 138079025 in words is "one hundred thirty-eight million, seventy-nine thousand, twenty-five".