136516457 has 16 divisors (see below), whose sum is σ = 172606464. Its totient is φ = 104874000.

The previous prime is 136516447. The next prime is 136516459. The reversal of 136516457 is 754615631.

It is not a de Polignac number, because 136516457 - 2¹⁰ = 136515433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136516457.

It is not an unprimeable number, because it can be changed into a prime (136516459) 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 in 15 ways as a sum of consecutive naturals, for example, 7019 + ... + 17952.

It is an arithmetic number, because the mean of its divisors is an integer number (10787904).

Almost surely, 2^136516457 is an apocalyptic number.

It is an amenable number.

136516457 is a deficient number, since it is larger than the sum of its proper divisors (36090007).

136516457 is a wasteful number, since it uses less digits than its factorization.

136516457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25060.

The product of its digits is 75600, while the sum is 38.

The square root of 136516457 is about 11684.0257189036. The cubic root of 136516457 is about 514.9064548729.

The spelling of 136516457 in words is "one hundred thirty-six million, five hundred sixteen thousand, four hundred fifty-seven".