136427785637 has 32 divisors (see below), whose sum is σ = 169906222080. Its totient is φ = 107623941120.

The previous prime is 136427785631. The next prime is 136427785651. The reversal of 136427785637 is 736587724631.

It is a cyclic number.

It is not a de Polignac number, because 136427785637 - 2¹⁰ = 136427784613 is a prime.

It is a super-2 number, since 2×136427785637² (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 (136427785631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2065439 + ... + 2130467.

It is an arithmetic number, because the mean of its divisors is an integer number (5309569440).

Almost surely, 2^136427785637 is an apocalyptic number.

136427785637 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

136427785637 is a deficient number, since it is larger than the sum of its proper divisors (33478436443).

136427785637 is a wasteful number, since it uses less digits than its factorization.

136427785637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65933.

The product of its digits is 35562240, while the sum is 59.

The spelling of 136427785637 in words is "one hundred thirty-six billion, four hundred twenty-seven million, seven hundred eighty-five thousand, six hundred thirty-seven".