136133670640 has 40 divisors (see below), whose sum is σ = 345284494128. Its totient is φ = 49503152640.

The previous prime is 136133670623. The next prime is 136133670641. The reversal of 136133670640 is 46076331631.

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

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 136133670593 and 136133670602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136133670641) 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, 77347797 + ... + 77349556.

Almost surely, 2^136133670640 is an apocalyptic number.

136133670640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136133670640 is an abundant number, since it is smaller than the sum of its proper divisors (209150823488).

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

136133670640 is a wasteful number, since it uses less digits than its factorization.

136133670640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154697377 (or 154697371 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 40.

The spelling of 136133670640 in words is "one hundred thirty-six billion, one hundred thirty-three million, six hundred seventy thousand, six hundred forty".