136441144631 has 16 divisors (see below), whose sum is σ = 150132296448. Its totient is φ = 122968368000.

The previous prime is 136441144613. The next prime is 136441144633.

136441144631 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 136441144631 - 2¹⁰ = 136441143607 is a prime.

It is a super-2 number, since 2×136441144631² (a number of 23 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 (136441144633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 624110 + ... + 813876.

It is an arithmetic number, because the mean of its divisors is an integer number (9383268528).

Almost surely, 2^136441144631 is an apocalyptic number.

136441144631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

136441144631 is a deficient number, since it is larger than the sum of its proper divisors (13691151817).

136441144631 is a wasteful number, since it uses less digits than its factorization.

136441144631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190342.

The product of its digits is 82944, while the sum is 38.

The spelling of 136441144631 in words is "one hundred thirty-six billion, four hundred forty-one million, one hundred forty-four thousand, six hundred thirty-one".