136456242654631 has 4 divisors (see below), whose sum is σ = 136456266043072. Its totient is φ = 136456219266192.

The previous prime is 136456242654607. The next prime is 136456242654671.

136456242654631 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 136456242654631 - 2⁷ = 136456242654503 is a prime.

It is a super-2 number, since 2×136456242654631² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136456242654671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5027530 + ... + 17268136.

It is an arithmetic number, because the mean of its divisors is an integer number (34114066510768).

Almost surely, 2^{136456242654631} is an apocalyptic number.

136456242654631 is a deficient number, since it is larger than the sum of its proper divisors (23388441).

136456242654631 is a wasteful number, since it uses less digits than its factorization.

136456242654631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23388440.

The product of its digits is 74649600, while the sum is 58.

The spelling of 136456242654631 in words is "one hundred thirty-six trillion, four hundred fifty-six billion, two hundred forty-two million, six hundred fifty-four thousand, six hundred thirty-one".