136131556 has 12 divisors (see below), whose sum is σ = 259887600. Its totient is φ = 61877960.

The previous prime is 136131551. The next prime is 136131559. The reversal of 136131556 is 655131631.

It is a super-2 number, since 2×136131556² = 37063601077962272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136131551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1546906 + ... + 1546993.

It is an arithmetic number, because the mean of its divisors is an integer number (21657300).

Almost surely, 2^136131556 is an apocalyptic number.

It is an amenable number.

136131556 is a deficient number, since it is larger than the sum of its proper divisors (123756044).

136131556 is a wasteful number, since it uses less digits than its factorization.

136131556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3093914 (or 3093912 counting only the distinct ones).

The product of its digits is 8100, while the sum is 31.

The square root of 136131556 is about 11667.5428432897. The cubic root of 136131556 is about 514.4220821062.

The spelling of 136131556 in words is "one hundred thirty-six million, one hundred thirty-one thousand, five hundred fifty-six".