130577 has 4 divisors (see below), whose sum is σ = 138276. Its totient is φ = 122880.

The previous prime is 130553. The next prime is 130579. The reversal of 130577 is 775031.

It is a happy number.

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 96721 + 33856 = 311^2 + 184^2 .

It is a cyclic number.

It is not a de Polignac number, because 130577 - 2⁶ = 130513 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 (130579) 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, 3824 + ... + 3857.

It is an arithmetic number, because the mean of its divisors is an integer number (34569).

2¹³⁰⁵⁷⁷ is an apocalyptic number.

130577 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

130577 is a deficient number, since it is larger than the sum of its proper divisors (7699).

130577 is an equidigital number, since it uses as much as digits as its factorization.

130577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7698.

The product of its (nonzero) digits is 735, while the sum is 23.

The square root of 130577 is about 361.3543966800. The cubic root of 130577 is about 50.7328073967.

It can be divided in two parts, 130 and 577, that added together give a palindrome (707).

The spelling of 130577 in words is "one hundred thirty thousand, five hundred seventy-seven".