136736907 has 4 divisors (see below), whose sum is σ = 182315880. Its totient is φ = 91157936.

The previous prime is 136736891. The next prime is 136736911. The reversal of 136736907 is 709637631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136736907 - 2⁴ = 136736891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136736917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22789482 + ... + 22789487.

It is an arithmetic number, because the mean of its divisors is an integer number (45578970).

Almost surely, 2^136736907 is an apocalyptic number.

136736907 is a deficient number, since it is larger than the sum of its proper divisors (45578973).

136736907 is an equidigital number, since it uses as much as digits as its factorization.

136736907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45578972.

The product of its (nonzero) digits is 142884, while the sum is 42.

The square root of 136736907 is about 11693.4557338710. The cubic root of 136736907 is about 515.1834668539.

The spelling of 136736907 in words is "one hundred thirty-six million, seven hundred thirty-six thousand, nine hundred seven".