136814988 has 12 divisors (see below), whose sum is σ = 319235000. Its totient is φ = 45604992.

The previous prime is 136814987. The next prime is 136815001. The reversal of 136814988 is 889418631.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (136814987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5700613 + ... + 5700636.

Almost surely, 2^136814988 is an apocalyptic number.

It is an amenable number.

136814988 is an abundant number, since it is smaller than the sum of its proper divisors (182420012).

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

136814988 is a wasteful number, since it uses less digits than its factorization.

136814988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11401256 (or 11401254 counting only the distinct ones).

The product of its digits is 331776, while the sum is 48.

The square root of 136814988 is about 11696.7939197030. The cubic root of 136814988 is about 515.2815100885.

The spelling of 136814988 in words is "one hundred thirty-six million, eight hundred fourteen thousand, nine hundred eighty-eight".