130705072 has 10 divisors (see below), whose sum is σ = 253241108. Its totient is φ = 65352528.

The previous prime is 130705051. The next prime is 130705087. The reversal of 130705072 is 270507031.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4084518 + ... + 4084549.

Almost surely, 2^130705072 is an apocalyptic number.

It is an amenable number.

130705072 is a deficient number, since it is larger than the sum of its proper divisors (122536036).

130705072 is an equidigital number, since it uses as much as digits as its factorization.

130705072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8169075 (or 8169069 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 130705072 is about 11432.6318929632. The cubic root of 130705072 is about 507.4938849191.

The spelling of 130705072 in words is "one hundred thirty million, seven hundred five thousand, seventy-two".