130319509545 has 24 divisors (see below), whose sum is σ = 237775948800. Its totient is φ = 65845646496.

The previous prime is 130319509501. The next prime is 130319509561. The reversal of 130319509545 is 545905913031.

130319509545 is a `hidden beast` number, since 13 + 0 + 3 + 1 + 95 + 0 + 9 + 545 = 666.

It is not a de Polignac number, because 130319509545 - 2⁷ = 130319509417 is a prime.

It is a super-2 number, since 2×130319509545² (a number of 23 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 130319509545.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76209385 + ... + 76211094.

It is an arithmetic number, because the mean of its divisors is an integer number (9907331200).

Almost surely, 2^130319509545 is an apocalyptic number.

130319509545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130319509545 is a deficient number, since it is larger than the sum of its proper divisors (107456439255).

130319509545 is a wasteful number, since it uses less digits than its factorization.

130319509545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152420509 (or 152420506 counting only the distinct ones).

The product of its (nonzero) digits is 364500, while the sum is 45.

The spelling of 130319509545 in words is "one hundred thirty billion, three hundred nineteen million, five hundred nine thousand, five hundred forty-five".