130812398740 has 24 divisors (see below), whose sum is σ = 275412238920. Its totient is φ = 52190444928.

The previous prime is 130812398719. The next prime is 130812398741. The reversal of 130812398740 is 47893218031.

It can be written as a sum of positive squares in 4 ways, for example, as 14516394256 + 116296004484 = 120484^2 + 341022^2 .

It is a super-2 number, since 2×130812398740² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130812398741) 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, 8399187 + ... + 8414746.

It is an arithmetic number, because the mean of its divisors is an integer number (11475509955).

Almost surely, 2^130812398740 is an apocalyptic number.

130812398740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130812398740 is an abundant number, since it is smaller than the sum of its proper divisors (144599840180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130812398740 is a wasteful number, since it uses less digits than its factorization.

130812398740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16814331 (or 16814329 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 130812398740 in words is "one hundred thirty billion, eight hundred twelve million, three hundred ninety-eight thousand, seven hundred forty".