36501139 has 2 divisors, whose sum is σ = 36501140. Its totient is φ = 36501138.

The previous prime is 36501107. The next prime is 36501149. The reversal of 36501139 is 93110563.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36501139 - 2⁵ = 36501107 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36501149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18250569 + 18250570.

It is an arithmetic number, because the mean of its divisors is an integer number (18250570).

Almost surely, 2^36501139 is an apocalyptic number.

36501139 is a deficient number, since it is larger than the sum of its proper divisors (1).

36501139 is an equidigital number, since it uses as much as digits as its factorization.

36501139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 36501139 is about 6041.6172503726. The cubic root of 36501139 is about 331.7178222428.

The spelling of 36501139 in words is "thirty-six million, five hundred one thousand, one hundred thirty-nine".