421342143134 has 16 divisors (see below), whose sum is σ = 691205673456. Its totient is φ = 191036736000.

The previous prime is 421342143097. The next prime is 421342143223. The reversal of 421342143134 is 431341243124.

It is a self number, because there is not a number n which added to its sum of digits gives 421342143134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24112067 + ... + 24129534.

It is an arithmetic number, because the mean of its divisors is an integer number (43200354591).

Almost surely, 2^421342143134 is an apocalyptic number.

421342143134 is a deficient number, since it is larger than the sum of its proper divisors (269863530322).

421342143134 is a wasteful number, since it uses less digits than its factorization.

421342143134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48242011.

The product of its digits is 27648, while the sum is 32.

Adding to 421342143134 its reverse (431341243124), we get a palindrome (852683386258).

The spelling of 421342143134 in words is "four hundred twenty-one billion, three hundred forty-two million, one hundred forty-three thousand, one hundred thirty-four".