136365465653543 has 12 divisors (see below), whose sum is σ = 158629727153520. Its totient is φ = 116884307578752.

The previous prime is 136365465653479. The next prime is 136365465653597. The reversal of 136365465653543 is 345356564563631.

It is a happy number.

It is not a de Polignac number, because 136365465653543 - 2⁶ = 136365465653479 is a prime.

It is a super-2 number, since 2×136365465653543² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136365465653543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136365465643543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11413718 + ... + 20074956.

It is an arithmetic number, because the mean of its divisors is an integer number (13219143929460).

Almost surely, 2^{136365465653543} is an apocalyptic number.

136365465653543 is a deficient number, since it is larger than the sum of its proper divisors (22264261499977).

136365465653543 is an equidigital number, since it uses as much as digits as its factorization.

136365465653543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8982566 (or 8982559 counting only the distinct ones).

The product of its digits is 1049760000, while the sum is 65.

The spelling of 136365465653543 in words is "one hundred thirty-six trillion, three hundred sixty-five billion, four hundred sixty-five million, six hundred fifty-three thousand, five hundred forty-three".