136628999120 has 40 divisors (see below), whose sum is σ = 317687843016. Its totient is φ = 54647226368.

The previous prime is 136628999119. The next prime is 136628999137. The reversal of 136628999120 is 21999826631.

It can be written as a sum of positive squares in 4 ways, for example, as 11264850496 + 125364148624 = 106136^2 + 354068^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051664 + ... + 1174416.

Almost surely, 2^136628999120 is an apocalyptic number.

136628999120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136628999120 is an abundant number, since it is smaller than the sum of its proper divisors (181058843896).

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

136628999120 is a wasteful number, since it uses less digits than its factorization.

136628999120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136679 (or 136673 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 56.

The spelling of 136628999120 in words is "one hundred thirty-six billion, six hundred twenty-eight million, nine hundred ninety-nine thousand, one hundred twenty".