130491933 has 32 divisors (see below), whose sum is σ = 209956992. Its totient is φ = 71020800.

The previous prime is 130491929. The next prime is 130491937. The reversal of 130491933 is 339194031.

It is an interprime number because it is at equal distance from previous prime (130491929) and next prime (130491937).

It is not a de Polignac number, because 130491933 - 2² = 130491929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 130491894 and 130491903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130491937) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11763 + ... + 19983.

It is an arithmetic number, because the mean of its divisors is an integer number (6561156).

Almost surely, 2^130491933 is an apocalyptic number.

130491933 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

130491933 is a deficient number, since it is larger than the sum of its proper divisors (79465059).

130491933 is a wasteful number, since it uses less digits than its factorization.

130491933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8285.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 130491933 is about 11423.3065703412. The cubic root of 130491933 is about 507.2178803587.

The spelling of 130491933 in words is "one hundred thirty million, four hundred ninety-one thousand, nine hundred thirty-three".