130757705 has 8 divisors (see below), whose sum is σ = 168979272. Its totient is φ = 96559488.

The previous prime is 130757701. The next prime is 130757743. The reversal of 130757705 is 507757031.

It can be written as a sum of positive squares in 4 ways, for example, as 21492496 + 109265209 = 4636^2 + 10453^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130757705 - 2² = 130757701 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130757701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1005764 + ... + 1005893.

It is an arithmetic number, because the mean of its divisors is an integer number (21122409).

Almost surely, 2^130757705 is an apocalyptic number.

It is an amenable number.

130757705 is a deficient number, since it is larger than the sum of its proper divisors (38221567).

130757705 is a wasteful number, since it uses less digits than its factorization.

130757705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011675.

The product of its (nonzero) digits is 25725, while the sum is 35.

The square root of 130757705 is about 11434.9335371921. The cubic root of 130757705 is about 507.5619958722.

The spelling of 130757705 in words is "one hundred thirty million, seven hundred fifty-seven thousand, seven hundred five".