136354769 has 2 divisors, whose sum is σ = 136354770. Its totient is φ = 136354768.

The previous prime is 136354733. The next prime is 136354783. The reversal of 136354769 is 967453631.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120450625 + 15904144 = 10975^2 + 3988^2 .

It is a cyclic number.

It is not a de Polignac number, because 136354769 - 2²⁴ = 119577553 is a prime.

It is a super-2 number, since 2×136354769² = 37185246058086722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136354789) 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 as a sum of consecutive naturals, namely, 68177384 + 68177385.

It is an arithmetic number, because the mean of its divisors is an integer number (68177385).

Almost surely, 2^136354769 is an apocalyptic number.

It is an amenable number.

136354769 is a deficient number, since it is larger than the sum of its proper divisors (1).

136354769 is an equidigital number, since it uses as much as digits as its factorization.

136354769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 44.

The square root of 136354769 is about 11677.1044784227. The cubic root of 136354769 is about 514.7030921266.

The spelling of 136354769 in words is "one hundred thirty-six million, three hundred fifty-four thousand, seven hundred sixty-nine".