130561269597 has 54 divisors (see below), whose sum is σ = 216696977406. Its totient is φ = 75687358560.

The previous prime is 130561269589. The next prime is 130561269599. The reversal of 130561269597 is 795962165031.

130561269597 is a `hidden beast` number, since 1 + 3 + 0 + 561 + 26 + 9 + 59 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 101137356441 + 29423913156 = 318021^2 + 171534^2 .

It is not a de Polignac number, because 130561269597 - 2³ = 130561269589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130561269599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 462763 + ... + 689399.

It is an arithmetic number, because the mean of its divisors is an integer number (4012906989).

Almost surely, 2^130561269597 is an apocalyptic number.

It is an amenable number.

130561269597 is a deficient number, since it is larger than the sum of its proper divisors (86135707809).

130561269597 is a wasteful number, since it uses less digits than its factorization.

130561269597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226711 (or 226674 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 54.

The spelling of 130561269597 in words is "one hundred thirty billion, five hundred sixty-one million, two hundred sixty-nine thousand, five hundred ninety-seven".