130381138 has 8 divisors (see below), whose sum is σ = 195832332. Its totient is φ = 65103696.

The previous prime is 130381123. The next prime is 130381157. The reversal of 130381138 is 831183031.

It can be written as a sum of positive squares in 2 ways, for example, as 117007489 + 13373649 = 10817^2 + 3657^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×130381138² = 33998482292350088, which contains 22 as substring.

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, 41545 + ... + 44572.

Almost surely, 2^130381138 is an apocalyptic number.

130381138 is a deficient number, since it is larger than the sum of its proper divisors (65451194).

130381138 is an equidigital number, since it uses as much as digits as its factorization.

130381138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86876.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 130381138 is about 11418.4560252251. The cubic root of 130381138 is about 507.0742875298.

The spelling of 130381138 in words is "one hundred thirty million, three hundred eighty-one thousand, one hundred thirty-eight".