136646254454 has 16 divisors (see below), whose sum is σ = 213888948192. Its totient is φ = 65350156608.

The previous prime is 136646254447. The next prime is 136646254471. The reversal of 136646254454 is 454452646631.

It is a happy number.

It is a congruent number.

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, 2384522 + ... + 2441154.

It is an arithmetic number, because the mean of its divisors is an integer number (13368059262).

Almost surely, 2^136646254454 is an apocalyptic number.

136646254454 is a deficient number, since it is larger than the sum of its proper divisors (77242693738).

136646254454 is a wasteful number, since it uses less digits than its factorization.

136646254454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109111.

The product of its digits is 8294400, while the sum is 50.

The spelling of 136646254454 in words is "one hundred thirty-six billion, six hundred forty-six million, two hundred fifty-four thousand, four hundred fifty-four".