136365122481820 has 48 divisors (see below), whose sum is σ = 294122649427488. Its totient is φ = 53068899098880.

The previous prime is 136365122481803. The next prime is 136365122481851. The reversal of 136365122481820 is 28184221563631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8335114 + ... + 18498766.

It is an arithmetic number, because the mean of its divisors is an integer number (6127555196406).

Almost surely, 2^{136365122481820} is an apocalyptic number.

136365122481820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136365122481820 is an abundant number, since it is smaller than the sum of its proper divisors (157757526945668).

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

136365122481820 is a wasteful number, since it uses less digits than its factorization.

136365122481820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10181830 (or 10181828 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 136365122481820 in words is "one hundred thirty-six trillion, three hundred sixty-five billion, one hundred twenty-two million, four hundred eighty-one thousand, eight hundred twenty".