130138787400 has 96 divisors (see below), whose sum is σ = 416444179200. Its totient is φ = 33584198400.

The previous prime is 130138787399. The next prime is 130138787411. The reversal of 130138787400 is 4787831031.

It is a happy number.

It is a super-2 number, since 2×130138787400² (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 23 ways as a sum of consecutive naturals, for example, 3479755 + ... + 3516954.

It is an arithmetic number, because the mean of its divisors is an integer number (4337960200).

Almost surely, 2^130138787400 is an apocalyptic number.

130138787400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130138787400 is an abundant number, since it is smaller than the sum of its proper divisors (286305391800).

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

130138787400 is a wasteful number, since it uses less digits than its factorization.

130138787400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6996759 (or 6996750 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 130138787400 in words is "one hundred thirty billion, one hundred thirty-eight million, seven hundred eighty-seven thousand, four hundred".