130187209815 has 48 divisors (see below), whose sum is σ = 243245900352. Its totient is φ = 64031565312.

The previous prime is 130187209811. The next prime is 130187209819. The reversal of 130187209815 is 518902781031.

It is an interprime number because it is at equal distance from previous prime (130187209811) and next prime (130187209819).

It is not a de Polignac number, because 130187209815 - 2² = 130187209811 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130187209811) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 517179 + ... + 726531.

It is an arithmetic number, because the mean of its divisors is an integer number (5067622924).

Almost surely, 2^130187209815 is an apocalyptic number.

130187209815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

130187209815 is a deficient number, since it is larger than the sum of its proper divisors (113058690537).

130187209815 is a wasteful number, since it uses less digits than its factorization.

130187209815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210440 (or 210437 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 45.

The spelling of 130187209815 in words is "one hundred thirty billion, one hundred eighty-seven million, two hundred nine thousand, eight hundred fifteen".