130569877 has 4 divisors (see below), whose sum is σ = 138250476. Its totient is φ = 122889280.

The previous prime is 130569869. The next prime is 130569937. The reversal of 130569877 is 778965031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36072036 + 94497841 = 6006^2 + 9721^2 .

It is a cyclic number.

It is not a de Polignac number, because 130569877 - 2³ = 130569869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130569077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3840274 + ... + 3840307.

It is an arithmetic number, because the mean of its divisors is an integer number (34562619).

Almost surely, 2^130569877 is an apocalyptic number.

130569877 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

130569877 is a deficient number, since it is larger than the sum of its proper divisors (7680599).

130569877 is an equidigital number, since it uses as much as digits as its factorization.

130569877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7680598.

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 130569877 is about 11426.7176826944. The cubic root of 130569877 is about 507.3188488521.

The spelling of 130569877 in words is "one hundred thirty million, five hundred sixty-nine thousand, eight hundred seventy-seven".