130176709 has 4 divisors (see below), whose sum is σ = 140190316. Its totient is φ = 120163104.

The previous prime is 130176691. The next prime is 130176713. The reversal of 130176709 is 907671031.

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 7963684 + 122213025 = 2822^2 + 11055^2 .

It is a cyclic number.

It is not a de Polignac number, because 130176709 - 2²¹ = 128079557 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 (130176749) 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, 5006784 + ... + 5006809.

It is an arithmetic number, because the mean of its divisors is an integer number (35047579).

Almost surely, 2^130176709 is an apocalyptic number.

It is an amenable number.

130176709 is a deficient number, since it is larger than the sum of its proper divisors (10013607).

130176709 is a wasteful number, since it uses less digits than its factorization.

130176709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10013606.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 130176709 is about 11409.5008216837. The cubic root of 130176709 is about 506.8091292509.

The spelling of 130176709 in words is "one hundred thirty million, one hundred seventy-six thousand, seven hundred nine".