136662149956940 has 24 divisors (see below), whose sum is σ = 286991049218832. Its totient is φ = 54664758209600.

The previous prime is 136662149956931. The next prime is 136662149956957. The reversal of 136662149956940 is 49659941266631.

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, 5159090 + ... + 17318790.

It is an arithmetic number, because the mean of its divisors is an integer number (11957960384118).

Almost surely, 2^{136662149956940} is an apocalyptic number.

136662149956940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136662149956940 is an abundant number, since it is smaller than the sum of its proper divisors (150328899261892).

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

136662149956940 is a wasteful number, since it uses less digits than its factorization.

136662149956940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12721657 (or 12721655 counting only the distinct ones).

The product of its (nonzero) digits is 453496320, while the sum is 71.

The spelling of 136662149956940 in words is "one hundred thirty-six trillion, six hundred sixty-two billion, one hundred forty-nine million, nine hundred fifty-six thousand, nine hundred forty".