135930262721 has 12 divisors (see below), whose sum is σ = 149427376896. Its totient is φ = 123559380120.

The previous prime is 135930262717. The next prime is 135930262739. The reversal of 135930262721 is 127262039531.

It is not a de Polignac number, because 135930262721 - 2² = 135930262717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135930262771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1139516 + ... + 1253138.

It is an arithmetic number, because the mean of its divisors is an integer number (12452281408).

Almost surely, 2^135930262721 is an apocalyptic number.

135930262721 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

135930262721 is a deficient number, since it is larger than the sum of its proper divisors (13497114175).

135930262721 is a wasteful number, since it uses less digits than its factorization.

135930262721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123532 (or 123521 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 135930262721 in words is "one hundred thirty-five billion, nine hundred thirty million, two hundred sixty-two thousand, seven hundred twenty-one".