136699960 has 32 divisors (see below), whose sum is σ = 308127600. Its totient is φ = 54581760.

The previous prime is 136699951. The next prime is 136699961. The reversal of 136699960 is 69996631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136699961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22000 + ... + 27520.

Almost surely, 2^136699960 is an apocalyptic number.

136699960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136699960 is an abundant number, since it is smaller than the sum of its proper divisors (171427640).

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

136699960 is a wasteful number, since it uses less digits than its factorization.

136699960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6151 (or 6147 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 49.

The square root of 136699960 is about 11691.8758118618. The cubic root of 136699960 is about 515.1370609527.

The spelling of 136699960 in words is "one hundred thirty-six million, six hundred ninety-nine thousand, nine hundred sixty".