136011457 has 2 divisors, whose sum is σ = 136011458. Its totient is φ = 136011456.

The previous prime is 136011437. The next prime is 136011487. The reversal of 136011457 is 754110631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127035441 + 8976016 = 11271^2 + 2996^2 .

It is a cyclic number.

It is not a de Polignac number, because 136011457 - 2¹⁹ = 135487169 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136011427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68005728 + 68005729.

It is an arithmetic number, because the mean of its divisors is an integer number (68005729).

Almost surely, 2^136011457 is an apocalyptic number.

It is an amenable number.

136011457 is a deficient number, since it is larger than the sum of its proper divisors (1).

136011457 is an equidigital number, since it uses as much as digits as its factorization.

136011457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 136011457 is about 11662.3949941682. The cubic root of 136011457 is about 514.2707584973.

The spelling of 136011457 in words is "one hundred thirty-six million, eleven thousand, four hundred fifty-seven".