130401642 has 24 divisors (see below), whose sum is σ = 303384096. Its totient is φ = 37257528.

The previous prime is 130401629. The next prime is 130401683. The reversal of 130401642 is 246104031.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221478 + ... + 222065.

It is an arithmetic number, because the mean of its divisors is an integer number (12641004).

Almost surely, 2^130401642 is an apocalyptic number.

130401642 is an abundant number, since it is smaller than the sum of its proper divisors (172982454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130401642 is a wasteful number, since it uses less digits than its factorization.

130401642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443562 (or 443555 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 130401642 is about 11419.3538346090. The cubic root of 130401642 is about 507.1008673106.

Adding to 130401642 its reverse (246104031), we get a palindrome (376505673).

The spelling of 130401642 in words is "one hundred thirty million, four hundred one thousand, six hundred forty-two".