130819995 has 16 divisors (see below), whose sum is σ = 232569120. Its totient is φ = 69770592.

The previous prime is 130819993. The next prime is 130819999. The reversal of 130819995 is 599918031.

It is not a de Polignac number, because 130819995 - 2¹ = 130819993 is a prime.

It is a super-2 number, since 2×130819995² = 34227742183600050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 130819995.

It is not an unprimeable number, because it can be changed into a prime (130819993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484384 + ... + 484653.

It is an arithmetic number, because the mean of its divisors is an integer number (14535570).

Almost surely, 2^130819995 is an apocalyptic number.

130819995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

130819995 is a deficient number, since it is larger than the sum of its proper divisors (101749125).

130819995 is an equidigital number, since it uses as much as digits as its factorization.

130819995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969051 (or 969045 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The square root of 130819995 is about 11437.6568841699. The cubic root of 130819995 is about 507.6425800786.

The spelling of 130819995 in words is "one hundred thirty million, eight hundred nineteen thousand, nine hundred ninety-five".