130608442 has 8 divisors (see below), whose sum is σ = 199124532. Its totient is φ = 64233600.

The previous prime is 130608427. The next prime is 130608449. The reversal of 130608442 is 244806031.

It can be written as a sum of positive squares in 2 ways, for example, as 93141801 + 37466641 = 9651^2 + 6121^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 130608442.

It is not an unprimeable number, because it can be changed into a prime (130608449) 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, 535159 + ... + 535402.

Almost surely, 2^130608442 is an apocalyptic number.

130608442 is a deficient number, since it is larger than the sum of its proper divisors (68516090).

130608442 is a wasteful number, since it uses less digits than its factorization.

130608442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070624.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 130608442 is about 11428.4050505746. The cubic root of 130608442 is about 507.3687910132.

The spelling of 130608442 in words is "one hundred thirty million, six hundred eight thousand, four hundred forty-two".