36399137 has 2 divisors, whose sum is σ = 36399138. Its totient is φ = 36399136.

The previous prime is 36399107. The next prime is 36399161. The reversal of 36399137 is 73199363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30129121 + 6270016 = 5489^2 + 2504^2 .

36399137 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 36399137 - 2⁸ = 36398881 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 36399094 and 36399103.

It is not a weakly prime, because it can be changed into another prime (36399107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18199568 + 18199569.

It is an arithmetic number, because the mean of its divisors is an integer number (18199569).

Almost surely, 2^36399137 is an apocalyptic number.

It is an amenable number.

36399137 is a deficient number, since it is larger than the sum of its proper divisors (1).

36399137 is an equidigital number, since it uses as much as digits as its factorization.

36399137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 91854, while the sum is 41.

The square root of 36399137 is about 6033.1697307468. The cubic root of 36399137 is about 331.4085401287.

The spelling of 36399137 in words is "thirty-six million, three hundred ninety-nine thousand, one hundred thirty-seven".