130520135051 has 4 divisors (see below), whose sum is σ = 138197790072. Its totient is φ = 122842480032.

The previous prime is 130520135041. The next prime is 130520135093. The reversal of 130520135051 is 150531025031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150531025031 = 1459 ⋅103174109.

It is a cyclic number.

It is not a de Polignac number, because 130520135051 - 2³⁴ = 113340265867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130520135051.

It is not an unprimeable number, because it can be changed into a prime (130520135041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3838827485 + ... + 3838827518.

It is an arithmetic number, because the mean of its divisors is an integer number (34549447518).

Almost surely, 2^130520135051 is an apocalyptic number.

130520135051 is a deficient number, since it is larger than the sum of its proper divisors (7677655021).

130520135051 is an equidigital number, since it uses as much as digits as its factorization.

130520135051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7677655020.

The product of its (nonzero) digits is 2250, while the sum is 26.

The spelling of 130520135051 in words is "one hundred thirty billion, five hundred twenty million, one hundred thirty-five thousand, fifty-one".