36997139 has 2 divisors, whose sum is σ = 36997140. Its totient is φ = 36997138.

The previous prime is 36997111. The next prime is 36997193. The reversal of 36997139 is 93179963.

Together with next prime (36997193) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36997139 - 2¹⁶ = 36931603 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 36997093 and 36997102.

It is not a weakly prime, because it can be changed into another prime (36997109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18498569 + 18498570.

It is an arithmetic number, because the mean of its divisors is an integer number (18498570).

Almost surely, 2^36997139 is an apocalyptic number.

36997139 is a deficient number, since it is larger than the sum of its proper divisors (1).

36997139 is an equidigital number, since it uses as much as digits as its factorization.

36997139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 275562, while the sum is 47.

The square root of 36997139 is about 6082.5273530006. The cubic root of 36997139 is about 333.2135962164.

The spelling of 36997139 in words is "thirty-six million, nine hundred ninety-seven thousand, one hundred thirty-nine".