130581893738 has 16 divisors (see below), whose sum is σ = 203170346280. Its totient is φ = 62870517696.

The previous prime is 130581893707. The next prime is 130581893747. The reversal of 130581893738 is 837398185031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 119630899129 + 10950994609 = 345877^2 + 104647^2 .

It is a super-2 number, since 2×130581893738² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2996345 + ... + 3039612.

Almost surely, 2^130581893738 is an apocalyptic number.

130581893738 is a deficient number, since it is larger than the sum of its proper divisors (72588452542).

130581893738 is a wasteful number, since it uses less digits than its factorization.

130581893738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6036361.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The spelling of 130581893738 in words is "one hundred thirty billion, five hundred eighty-one million, eight hundred ninety-three thousand, seven hundred thirty-eight".