136995307 has 2 divisors, whose sum is σ = 136995308. Its totient is φ = 136995306.

The previous prime is 136995241. The next prime is 136995311. The reversal of 136995307 is 703599631.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136995307 is a prime.

It is not a weakly prime, because it can be changed into another prime (136995907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68497653 + 68497654.

It is an arithmetic number, because the mean of its divisors is an integer number (68497654).

Almost surely, 2^136995307 is an apocalyptic number.

136995307 is a deficient number, since it is larger than the sum of its proper divisors (1).

136995307 is an equidigital number, since it uses as much as digits as its factorization.

136995307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153090, while the sum is 43.

The square root of 136995307 is about 11704.4994339784. The cubic root of 136995307 is about 515.5077870919.

The spelling of 136995307 in words is "one hundred thirty-six million, nine hundred ninety-five thousand, three hundred seven".