130838731 has 8 divisors (see below), whose sum is σ = 137894400. Its totient is φ = 123800040.

The previous prime is 130838683. The next prime is 130838791. The reversal of 130838731 is 137838031.

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

It is a cyclic number.

It is not a de Polignac number, because 130838731 - 2¹¹ = 130836683 is a prime.

It is a super-2 number, since 2×130838731² = 34237547059380722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130838791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13530 + ... + 21088.

It is an arithmetic number, because the mean of its divisors is an integer number (17236800).

Almost surely, 2^130838731 is an apocalyptic number.

130838731 is a deficient number, since it is larger than the sum of its proper divisors (7055669).

130838731 is an equidigital number, since it uses as much as digits as its factorization.

130838731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8489.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 130838731 is about 11438.4759037207. The cubic root of 130838731 is about 507.6668137271. Note that the first 3 decimals are identical.

The spelling of 130838731 in words is "one hundred thirty million, eight hundred thirty-eight thousand, seven hundred thirty-one".