136566365331 has 16 divisors (see below), whose sum is σ = 200608743168. Its totient is φ = 81948012000.

The previous prime is 136566365321. The next prime is 136566365333. The reversal of 136566365331 is 133563665631.

It is not a de Polignac number, because 136566365331 - 2⁶ = 136566365267 is a prime.

It is a super-2 number, since 2×136566365331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136566365333) 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, 20483671 + ... + 20490336.

It is an arithmetic number, because the mean of its divisors is an integer number (12538046448).

Almost surely, 2^136566365331 is an apocalyptic number.

136566365331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

136566365331 is a deficient number, since it is larger than the sum of its proper divisors (64042377837).

136566365331 is a wasteful number, since it uses less digits than its factorization.

136566365331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40974122.

The product of its digits is 2624400, while the sum is 48.

The spelling of 136566365331 in words is "one hundred thirty-six billion, five hundred sixty-six million, three hundred sixty-five thousand, three hundred thirty-one".