135613427620 has 48 divisors (see below), whose sum is σ = 310714766208. Its totient is φ = 49308143360.

The previous prime is 135613427611. The next prime is 135613427641. The reversal of 135613427620 is 26724316531.

It is a happy 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, 2117184 + ... + 2180296.

It is an arithmetic number, because the mean of its divisors is an integer number (6473224296).

Almost surely, 2^135613427620 is an apocalyptic number.

135613427620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135613427620 is an abundant number, since it is smaller than the sum of its proper divisors (175101338588).

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

135613427620 is a wasteful number, since it uses less digits than its factorization.

135613427620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72900 (or 72898 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 135613427620 in words is "one hundred thirty-five billion, six hundred thirteen million, four hundred twenty-seven thousand, six hundred twenty".