136456437 has 16 divisors (see below), whose sum is σ = 196680960. Its totient is φ = 83654592.

The previous prime is 136456429. The next prime is 136456469. The reversal of 136456437 is 734654631.

It is not a de Polignac number, because 136456437 - 2³ = 136456429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 136456395 and 136456404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136456477) 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, 3988 + ... + 16994.

It is an arithmetic number, because the mean of its divisors is an integer number (12292560).

Almost surely, 2^136456437 is an apocalyptic number.

It is an amenable number.

136456437 is a deficient number, since it is larger than the sum of its proper divisors (60224523).

136456437 is a wasteful number, since it uses less digits than its factorization.

136456437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13292.

The product of its digits is 181440, while the sum is 39.

The square root of 136456437 is about 11681.4569724842. The cubic root of 136456437 is about 514.8309835919.

The spelling of 136456437 in words is "one hundred thirty-six million, four hundred fifty-six thousand, four hundred thirty-seven".