136499323 has 2 divisors, whose sum is σ = 136499324. Its totient is φ = 136499322.

The previous prime is 136499309. The next prime is 136499333. The reversal of 136499323 is 323994631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136499323 - 2²¹ = 134402171 is a prime.

It is not a weakly prime, because it can be changed into another prime (136499303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68249661 + 68249662.

It is an arithmetic number, because the mean of its divisors is an integer number (68249662).

Almost surely, 2^136499323 is an apocalyptic number.

136499323 is a deficient number, since it is larger than the sum of its proper divisors (1).

136499323 is an equidigital number, since it uses as much as digits as its factorization.

136499323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 40.

The square root of 136499323 is about 11683.2924725867. The cubic root of 136499323 is about 514.8849122289.

The spelling of 136499323 in words is "one hundred thirty-six million, four hundred ninety-nine thousand, three hundred twenty-three".