1234320421134 has 16 divisors (see below), whose sum is σ = 2535360865488. Its totient is φ = 400320136512.

The previous prime is 1234320421109. The next prime is 1234320421157. The reversal of 1234320421134 is 4311240234321.

It is a super-2 number, since 2×1234320421134² (a number of 25 digits) contains 22 as substring.

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, 2780000727 + ... + 2780001170.

It is an arithmetic number, because the mean of its divisors is an integer number (158460054093).

Almost surely, 2^{1234320421134} is an apocalyptic number.

1234320421134 is an abundant number, since it is smaller than the sum of its proper divisors (1301040444354).

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

1234320421134 is a wasteful number, since it uses less digits than its factorization.

1234320421134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560001939.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 1234320421134 its reverse (4311240234321), we get a palindrome (5545560655455).

The spelling of 1234320421134 in words is "one trillion, two hundred thirty-four billion, three hundred twenty million, four hundred twenty-one thousand, one hundred thirty-four".