130402442 has 8 divisors (see below), whose sum is σ = 196149600. Its totient is φ = 65019244.

The previous prime is 130402421. The next prime is 130402469. The reversal of 130402442 is 244204031.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 90092 + ... + 91527.

It is an arithmetic number, because the mean of its divisors is an integer number (24518700).

Almost surely, 2^130402442 is an apocalyptic number.

130402442 is a deficient number, since it is larger than the sum of its proper divisors (65747158).

130402442 is a wasteful number, since it uses less digits than its factorization.

130402442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181980.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 130402442 is about 11419.3888628070. The cubic root of 130402442 is about 507.1019043115.

Adding to 130402442 its reverse (244204031), we get a palindrome (374606473).

The spelling of 130402442 in words is "one hundred thirty million, four hundred two thousand, four hundred forty-two".