136272449 has 2 divisors, whose sum is σ = 136272450. Its totient is φ = 136272448.

The previous prime is 136272419. The next prime is 136272457. The reversal of 136272449 is 944272631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134908225 + 1364224 = 11615^2 + 1168^2 .

It is a cyclic number.

It is not a de Polignac number, because 136272449 - 2²⁰ = 135223873 is a prime.

It is not a weakly prime, because it can be changed into another prime (136272419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68136224 + 68136225.

It is an arithmetic number, because the mean of its divisors is an integer number (68136225).

Almost surely, 2^136272449 is an apocalyptic number.

It is an amenable number.

136272449 is a deficient number, since it is larger than the sum of its proper divisors (1).

136272449 is an equidigital number, since it uses as much as digits as its factorization.

136272449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 38.

The square root of 136272449 is about 11673.5790998305. The cubic root of 136272449 is about 514.5994925524.

The spelling of 136272449 in words is "one hundred thirty-six million, two hundred seventy-two thousand, four hundred forty-nine".