36690139 has 2 divisors, whose sum is σ = 36690140. Its totient is φ = 36690138.

The previous prime is 36690119. The next prime is 36690179. The reversal of 36690139 is 93109663.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36690139 - 2⁷ = 36690011 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 36690098 and 36690107.

It is not a weakly prime, because it can be changed into another prime (36690119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18345069 + 18345070.

It is an arithmetic number, because the mean of its divisors is an integer number (18345070).

Almost surely, 2^36690139 is an apocalyptic number.

36690139 is a deficient number, since it is larger than the sum of its proper divisors (1).

36690139 is an equidigital number, since it uses as much as digits as its factorization.

36690139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 36690139 is about 6057.2385622493. The cubic root of 36690139 is about 332.2893730765.

The spelling of 36690139 in words is "thirty-six million, six hundred ninety thousand, one hundred thirty-nine".