130776975 has 72 divisors (see below), whose sum is σ = 274065792. Its totient is φ = 58363200.

The previous prime is 130776973. The next prime is 130776977. The reversal of 130776975 is 579677031.

It is an interprime number because it is at equal distance from previous prime (130776973) and next prime (130776977).

It is not a de Polignac number, because 130776975 - 2¹ = 130776973 is a prime.

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 130776975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130776973) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 66760 + ... + 68690.

Almost surely, 2^130776975 is an apocalyptic number.

130776975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

130776975 is an abundant number, since it is smaller than the sum of its proper divisors (143288817).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130776975 is a wasteful number, since it uses less digits than its factorization.

130776975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997 (or 1989 counting only the distinct ones).

The product of its (nonzero) digits is 277830, while the sum is 45.

The square root of 130776975 is about 11435.7760995920. The cubic root of 130776975 is about 507.5869280912.

The spelling of 130776975 in words is "one hundred thirty million, seven hundred seventy-six thousand, nine hundred seventy-five".