136766507 has 2 divisors, whose sum is σ = 136766508. Its totient is φ = 136766506.

The previous prime is 136766471. The next prime is 136766527. The reversal of 136766507 is 705667631.

It is a strong prime.

It is an emirp because it is prime and its reverse (705667631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136766507 - 2⁸ = 136766251 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136766527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68383253 + 68383254.

It is an arithmetic number, because the mean of its divisors is an integer number (68383254).

Almost surely, 2^136766507 is an apocalyptic number.

136766507 is a deficient number, since it is larger than the sum of its proper divisors (1).

136766507 is an equidigital number, since it uses as much as digits as its factorization.

136766507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 136766507 is about 11694.7213305833. The cubic root of 136766507 is about 515.2206387990.

The spelling of 136766507 in words is "one hundred thirty-six million, seven hundred sixty-six thousand, five hundred seven".