136816488 has 48 divisors (see below), whose sum is σ = 371088900. Its totient is φ = 45538560.

The previous prime is 136816487. The next prime is 136816501. The reversal of 136816488 is 884618631.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 97653924 + 39162564 = 9882^2 + 6258^2 .

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (136816481) 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 11 ways as a sum of consecutive naturals, for example, 84228 + ... + 85836.

Almost surely, 2^136816488 is an apocalyptic number.

136816488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

136816488 is an abundant number, since it is smaller than the sum of its proper divisors (234272412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136816488 is a wasteful number, since it uses less digits than its factorization.

136816488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802 (or 2795 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 136816488 is about 11696.8580396618. The cubic root of 136816488 is about 515.2833932141.

The spelling of 136816488 in words is "one hundred thirty-six million, eight hundred sixteen thousand, four hundred eighty-eight".