342134021405 has 32 divisors (see below), whose sum is σ = 470156617728. Its totient is φ = 236580942400.

The previous prime is 342134021399. The next prime is 342134021431. The reversal of 342134021405 is 504120431243.

It is not a de Polignac number, because 342134021405 - 2¹⁴ = 342134005021 is a prime.

It is a Duffinian number.

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, 598511 + ... + 1021020.

It is an arithmetic number, because the mean of its divisors is an integer number (14692394304).

Almost surely, 2^342134021405 is an apocalyptic number.

It is an amenable number.

342134021405 is a deficient number, since it is larger than the sum of its proper divisors (128022596323).

342134021405 is a wasteful number, since it uses less digits than its factorization.

342134021405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619737.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 342134021405 its reverse (504120431243), we get a palindrome (846254452648).

The spelling of 342134021405 in words is "three hundred forty-two billion, one hundred thirty-four million, twenty-one thousand, four hundred five".