136536456 has 32 divisors (see below), whose sum is σ = 390104640. Its totient is φ = 39010368.

The previous prime is 136536409. The next prime is 136536473. The reversal of 136536456 is 654635631.

It is a happy number.

136536456 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406191 + ... + 406526.

It is an arithmetic number, because the mean of its divisors is an integer number (12190770).

Almost surely, 2^136536456 is an apocalyptic number.

It is an amenable number.

136536456 is an abundant number, since it is smaller than the sum of its proper divisors (253568184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136536456 is a wasteful number, since it uses less digits than its factorization.

136536456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812733 (or 812729 counting only the distinct ones).

The product of its digits is 194400, while the sum is 39.

The square root of 136536456 is about 11684.8815141618. The cubic root of 136536456 is about 514.9315974128.

The spelling of 136536456 in words is "one hundred thirty-six million, five hundred thirty-six thousand, four hundred fifty-six".