130521035144 has 16 divisors (see below), whose sum is σ = 245060822220. Its totient is φ = 65171482560.

The previous prime is 130521035131. The next prime is 130521035171. The reversal of 130521035144 is 441530125031.

It can be written as a sum of positive squares in 2 ways, for example, as 129843474244 + 677560900 = 360338^2 + 26030^2 .

It is a super-2 number, since 2×130521035144² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11123147 + ... + 11134874.

Almost surely, 2^130521035144 is an apocalyptic number.

It is an amenable number.

130521035144 is a deficient number, since it is larger than the sum of its proper divisors (114539787076).

130521035144 is a wasteful number, since it uses less digits than its factorization.

130521035144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22258760 (or 22258756 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 130521035144 in words is "one hundred thirty billion, five hundred twenty-one million, thirty-five thousand, one hundred forty-four".