136656336454 has 16 divisors (see below), whose sum is σ = 224150637456. Its totient is φ = 61968967200.

The previous prime is 136656336451. The next prime is 136656336473. The reversal of 136656336454 is 454633656631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136656336451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7367997 + ... + 7386520.

It is an arithmetic number, because the mean of its divisors is an integer number (14009414841).

Almost surely, 2^136656336454 is an apocalyptic number.

136656336454 is a deficient number, since it is larger than the sum of its proper divisors (87494301002).

136656336454 is a wasteful number, since it uses less digits than its factorization.

136656336454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14754951.

The product of its digits is 13996800, while the sum is 52.

The spelling of 136656336454 in words is "one hundred thirty-six billion, six hundred fifty-six million, three hundred thirty-six thousand, four hundred fifty-four".