130173938 has 4 divisors (see below), whose sum is σ = 195260910. Its totient is φ = 65086968.

The previous prime is 130173937. The next prime is 130173961. The reversal of 130173938 is 839371031.

130173938 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 839371031 = 509 ⋅1649059.

It can be written as a sum of positive squares in only one way, i.e., 130119649 + 54289 = 11407^2 + 233^2 .

It is a junction number, because it is equal to n+sod(n) for n = 130173898 and 130173907.

It is not an unprimeable number, because it can be changed into a prime (130173931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32543483 + ... + 32543486.

Almost surely, 2^130173938 is an apocalyptic number.

130173938 is a deficient number, since it is larger than the sum of its proper divisors (65086972).

130173938 is an equidigital number, since it uses as much as digits as its factorization.

130173938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65086971.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 130173938 is about 11409.3793871534. The cubic root of 130173938 is about 506.8055331696.

The spelling of 130173938 in words is "one hundred thirty million, one hundred seventy-three thousand, nine hundred thirty-eight".