136444565444631 has 32 divisors (see below), whose sum is σ = 188698546971648. Its totient is φ = 87625695830400.

The previous prime is 136444565444591. The next prime is 136444565444729.

136444565444631 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 136444565444631 - 2⁶ = 136444565444567 is a prime.

It is a super-2 number, since 2×136444565444631² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136444565443631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 420777346 + ... + 421101488.

It is an arithmetic number, because the mean of its divisors is an integer number (5896829592864).

Almost surely, 2^{136444565444631} is an apocalyptic number.

136444565444631 is a deficient number, since it is larger than the sum of its proper divisors (52253981527017).

136444565444631 is a wasteful number, since it uses less digits than its factorization.

136444565444631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361831.

The product of its digits is 199065600, while the sum is 60.

The spelling of 136444565444631 in words is "one hundred thirty-six trillion, four hundred forty-four billion, five hundred sixty-five million, four hundred forty-four thousand, six hundred thirty-one".