130405204542 has 64 divisors (see below), whose sum is σ = 276329779200. Its totient is φ = 40912283520.

The previous prime is 130405204529. The next prime is 130405204591. The reversal of 130405204542 is 245402504031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19092384 + ... + 19099212.

It is an arithmetic number, because the mean of its divisors is an integer number (4317652800).

Almost surely, 2^130405204542 is an apocalyptic number.

130405204542 is an abundant number, since it is smaller than the sum of its proper divisors (145924574658).

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

130405204542 is a wasteful number, since it uses less digits than its factorization.

130405204542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7921.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 130405204542 its reverse (245402504031), we get a palindrome (375807708573).

The spelling of 130405204542 in words is "one hundred thirty billion, four hundred five million, two hundred four thousand, five hundred forty-two".