130405342 has 8 divisors (see below), whose sum is σ = 197545032. Its totient is φ = 64557000.

The previous prime is 130405267. The next prime is 130405357. The reversal of 130405342 is 243504031.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322584 + ... + 322987.

It is an arithmetic number, because the mean of its divisors is an integer number (24693129).

Almost surely, 2^130405342 is an apocalyptic number.

130405342 is a deficient number, since it is larger than the sum of its proper divisors (67139690).

130405342 is a wasteful number, since it uses less digits than its factorization.

130405342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645674.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 130405342 is about 11419.5158391238. The cubic root of 130405342 is about 507.1056634043.

Adding to 130405342 its reverse (243504031), we get a palindrome (373909373).

The spelling of 130405342 in words is "one hundred thirty million, four hundred five thousand, three hundred forty-two".