36139025 has 48 divisors (see below), whose sum is σ = 52996608. Its totient is φ = 24192000.

The previous prime is 36139013. The next prime is 36139031. The reversal of 36139025 is 52093163.

It is not a de Polignac number, because 36139025 - 2⁶ = 36138961 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 171170 + ... + 171380.

It is an arithmetic number, because the mean of its divisors is an integer number (1104096).

Almost surely, 2^36139025 is an apocalyptic number.

It is an amenable number.

36139025 is a deficient number, since it is larger than the sum of its proper divisors (16857583).

36139025 is a wasteful number, since it uses less digits than its factorization.

36139025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 36139025 is about 6011.5742530555. The cubic root of 36139025 is about 330.6172256109.

The spelling of 36139025 in words is "thirty-six million, one hundred thirty-nine thousand, twenty-five".