130287237952 has 28 divisors (see below), whose sum is σ = 258558307876. Its totient is φ = 65138688000.

The previous prime is 130287237943. The next prime is 130287237967. The reversal of 130287237952 is 259732782031.

It can be written as a sum of positive squares in 2 ways, for example, as 66431969536 + 63855268416 = 257744^2 + 252696^2 .

It is a super-2 number, since 2×130287237952² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130287237896 and 130287237905.

It is a congruent number.

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, 864202 + ... + 1003702.

Almost surely, 2^130287237952 is an apocalyptic number.

It is an amenable number.

130287237952 is a deficient number, since it is larger than the sum of its proper divisors (128271069924).

130287237952 is a wasteful number, since it uses less digits than its factorization.

130287237952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154106 (or 154096 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 130287237952 in words is "one hundred thirty billion, two hundred eighty-seven million, two hundred thirty-seven thousand, nine hundred fifty-two".