130168738 has 16 divisors (see below), whose sum is σ = 229178304. Its totient is φ = 54278640.

The previous prime is 130168669. The next prime is 130168741. The reversal of 130168738 is 837861031.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 130168697 and 130168706.

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, 125128 + ... + 126163.

It is an arithmetic number, because the mean of its divisors is an integer number (14323644).

Almost surely, 2^130168738 is an apocalyptic number.

130168738 is a deficient number, since it is larger than the sum of its proper divisors (99009566).

130168738 is a wasteful number, since it uses less digits than its factorization.

130168738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251337.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 130168738 is about 11409.1515021933. The cubic root of 130168738 is about 506.7987847019.

The spelling of 130168738 in words is "one hundred thirty million, one hundred sixty-eight thousand, seven hundred thirty-eight".