136408023204840 has 192 divisors, whose sum is σ = 466676552908800. Its totient is φ = 34459680047616.

The previous prime is 136408023204809. The next prime is 136408023204889. The reversal of 136408023204840 is 48402320804631.

It is a happy number.

136408023204840 is a `hidden beast` number, since 1 + 3 + 6 + 408 + 0 + 232 + 0 + 4 + 8 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 188744814 + ... + 189466146.

It is an arithmetic number, because the mean of its divisors is an integer number (2430607046400).

Almost surely, 2^{136408023204840} is an apocalyptic number.

136408023204840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136408023204840 is an abundant number, since it is smaller than the sum of its proper divisors (330268529703960).

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

136408023204840 is a wasteful number, since it uses less digits than its factorization.

136408023204840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749016 (or 749009 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 45.

The spelling of 136408023204840 in words is "one hundred thirty-six trillion, four hundred eight billion, twenty-three million, two hundred four thousand, eight hundred forty".