234712428136 has 32 divisors (see below), whose sum is σ = 442246543200. Its totient is φ = 116780207040.

The previous prime is 234712428131. The next prime is 234712428151. The reversal of 234712428136 is 631824217432.

It is a junction number, because it is equal to n+sod(n) for n = 234712428092 and 234712428101.

It is not an unprimeable number, because it can be changed into a prime (234712428131) 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, 19377250 + ... + 19389358.

It is an arithmetic number, because the mean of its divisors is an integer number (13820204475).

Almost surely, 2^234712428136 is an apocalyptic number.

It is an amenable number.

234712428136 is a deficient number, since it is larger than the sum of its proper divisors (207534115064).

234712428136 is a wasteful number, since it uses less digits than its factorization.

234712428136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23809 (or 23805 counting only the distinct ones).

The product of its digits is 387072, while the sum is 43.

The spelling of 234712428136 in words is "two hundred thirty-four billion, seven hundred twelve million, four hundred twenty-eight thousand, one hundred thirty-six".