130243877 has 4 divisors (see below), whose sum is σ = 130266720. Its totient is φ = 130221036.

The previous prime is 130243873. The next prime is 130243907. The reversal of 130243877 is 778342031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 778342031 = 701 ⋅1110331.

It is a cyclic number.

It is not a de Polignac number, because 130243877 - 2² = 130243873 is a prime.

It is a super-2 number, since 2×130243877² = 33926934991982258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130243873) 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, 5048 + ... + 16910.

It is an arithmetic number, because the mean of its divisors is an integer number (32566680).

Almost surely, 2^130243877 is an apocalyptic number.

It is an amenable number.

130243877 is a deficient number, since it is larger than the sum of its proper divisors (22843).

130243877 is a wasteful number, since it uses less digits than its factorization.

130243877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22842.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 130243877 is about 11412.4439538602. The cubic root of 130243877 is about 506.8962813042.

The spelling of 130243877 in words is "one hundred thirty million, two hundred forty-three thousand, eight hundred seventy-seven".