130875837581 has 8 divisors (see below), whose sum is σ = 132488897400. Its totient is φ = 129265945600.

The previous prime is 130875837557. The next prime is 130875837629. The reversal of 130875837581 is 185738578031.

It can be written as a sum of positive squares in 4 ways, for example, as 27004348900 + 103871488681 = 164330^2 + 322291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130875837581 - 2⁶ = 130875837517 is a prime.

It is a super-2 number, since 2×130875837581² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130875837481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 708770 + ... + 874131.

It is an arithmetic number, because the mean of its divisors is an integer number (16561112175).

Almost surely, 2^130875837581 is an apocalyptic number.

It is an amenable number.

130875837581 is a deficient number, since it is larger than the sum of its proper divisors (1613059819).

130875837581 is an equidigital number, since it uses as much as digits as its factorization.

130875837581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583919.

The product of its (nonzero) digits is 5644800, while the sum is 56.

The spelling of 130875837581 in words is "one hundred thirty billion, eight hundred seventy-five million, eight hundred thirty-seven thousand, five hundred eighty-one".