136565654643231 has 48 divisors (see below), whose sum is σ = 219226645864800. Its totient is φ = 75212260372480.

The previous prime is 136565654643167. The next prime is 136565654643241. The reversal of 136565654643231 is 132346456565631.

It is not a de Polignac number, because 136565654643231 - 2⁶ = 136565654643167 is a prime.

It is a super-2 number, since 2×136565654643231² (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 (136565654643241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 381376746 + ... + 381734663.

It is an arithmetic number, because the mean of its divisors is an integer number (4567221788850).

Almost surely, 2^{136565654643231} is an apocalyptic number.

136565654643231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

136565654643231 is a deficient number, since it is larger than the sum of its proper divisors (82660991221569).

136565654643231 is a wasteful number, since it uses less digits than its factorization.

136565654643231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763111480 (or 763111469 counting only the distinct ones).

The product of its digits is 139968000, while the sum is 60.

The spelling of 136565654643231 in words is "one hundred thirty-six trillion, five hundred sixty-five billion, six hundred fifty-four million, six hundred forty-three thousand, two hundred thirty-one".