136961900860 has 24 divisors (see below), whose sum is σ = 290165306256. Its totient is φ = 54299938560.

The previous prime is 136961900857. The next prime is 136961900897. The reversal of 136961900860 is 68009169631.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30299046 + ... + 30303565.

It is an arithmetic number, because the mean of its divisors is an integer number (12090221094).

Almost surely, 2^136961900860 is an apocalyptic number.

136961900860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136961900860 is an abundant number, since it is smaller than the sum of its proper divisors (153203405396).

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

136961900860 is a wasteful number, since it uses less digits than its factorization.

136961900860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60602733 (or 60602731 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 49.

The spelling of 136961900860 in words is "one hundred thirty-six billion, nine hundred sixty-one million, nine hundred thousand, eight hundred sixty".