136674497 has 2 divisors, whose sum is σ = 136674498. Its totient is φ = 136674496.

The previous prime is 136674493. The next prime is 136674521. The reversal of 136674497 is 794476631.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105493441 + 31181056 = 10271^2 + 5584^2 .

It is a cyclic number.

It is not a de Polignac number, because 136674497 - 2² = 136674493 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136674491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68337248 + 68337249.

It is an arithmetic number, because the mean of its divisors is an integer number (68337249).

Almost surely, 2^136674497 is an apocalyptic number.

It is an amenable number.

136674497 is a deficient number, since it is larger than the sum of its proper divisors (1).

136674497 is an equidigital number, since it uses as much as digits as its factorization.

136674497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 47.

The square root of 136674497 is about 11690.7868426381. The cubic root of 136674497 is about 515.1050742340.

The spelling of 136674497 in words is "one hundred thirty-six million, six hundred seventy-four thousand, four hundred ninety-seven".