130394642 has 16 divisors (see below), whose sum is σ = 223681920. Its totient is φ = 55846368.

The previous prime is 130394633. The next prime is 130394647. The reversal of 130394642 is 246493031.

It is a junction number, because it is equal to n+sod(n) for n = 130394599 and 130394608.

It is not an unprimeable number, because it can be changed into a prime (130394647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34859 + ... + 38417.

It is an arithmetic number, because the mean of its divisors is an integer number (13980120).

Almost surely, 2^130394642 is an apocalyptic number.

130394642 is a deficient number, since it is larger than the sum of its proper divisors (93287278).

130394642 is a wasteful number, since it uses less digits than its factorization.

130394642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6185.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 130394642 is about 11419.0473332936. The cubic root of 130394642 is about 507.0917933718.

The spelling of 130394642 in words is "one hundred thirty million, three hundred ninety-four thousand, six hundred forty-two".