234240021405134 has 16 divisors (see below), whose sum is σ = 351861984391680. Its totient is φ = 116952719314200.

The previous prime is 234240021405133. The next prime is 234240021405139. The reversal of 234240021405134 is 431504120042432.

It is a junction number, because it is equal to n+sod(n) for n = 234240021405094 and 234240021405103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234240021405133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11505359 + ... + 24512309.

It is an arithmetic number, because the mean of its divisors is an integer number (21991374024480).

Almost surely, 2^{234240021405134} is an apocalyptic number.

234240021405134 is a deficient number, since it is larger than the sum of its proper divisors (117621962986546).

234240021405134 is a wasteful number, since it uses less digits than its factorization.

234240021405134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13019815.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 234240021405134 its reverse (431504120042432), we get a palindrome (665744141447566).

The spelling of 234240021405134 in words is "two hundred thirty-four trillion, two hundred forty billion, twenty-one million, four hundred five thousand, one hundred thirty-four".