136716319 has 2 divisors, whose sum is σ = 136716320. Its totient is φ = 136716318.

The previous prime is 136716313. The next prime is 136716323. The reversal of 136716319 is 913617631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136716319 - 2⁹ = 136715807 is a prime.

It is a super-2 number, since 2×136716319² = 37382703761819522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136716313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68358159 + 68358160.

It is an arithmetic number, because the mean of its divisors is an integer number (68358160).

Almost surely, 2^136716319 is an apocalyptic number.

136716319 is a deficient number, since it is larger than the sum of its proper divisors (1).

136716319 is an equidigital number, since it uses as much as digits as its factorization.

136716319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 37.

The square root of 136716319 is about 11692.5753792738. The cubic root of 136716319 is about 515.1576090958.

The spelling of 136716319 in words is "one hundred thirty-six million, seven hundred sixteen thousand, three hundred nineteen".