130993738 has 16 divisors (see below), whose sum is σ = 212889600. Its totient is φ = 60209856.

The previous prime is 130993699. The next prime is 130993757. The reversal of 130993738 is 837399031.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 130993694 and 130993703.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43338 + ... + 46261.

It is an arithmetic number, because the mean of its divisors is an integer number (13305600).

Almost surely, 2^130993738 is an apocalyptic number.

130993738 is a deficient number, since it is larger than the sum of its proper divisors (81895862).

130993738 is a wasteful number, since it uses less digits than its factorization.

130993738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89661.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 130993738 is about 11445.2495822503. The cubic root of 130993738 is about 507.8672152793.

The spelling of 130993738 in words is "one hundred thirty million, nine hundred ninety-three thousand, seven hundred thirty-eight".