234878136 has 32 divisors (see below), whose sum is σ = 587581440. Its totient is φ = 78241248.

The previous prime is 234878113. The next prime is 234878167. The reversal of 234878136 is 631878432.

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, 57225 + ... + 61191.

It is an arithmetic number, because the mean of its divisors is an integer number (18361920).

Almost surely, 2^234878136 is an apocalyptic number.

It is an amenable number.

234878136 is an abundant number, since it is smaller than the sum of its proper divisors (352703304).

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

234878136 is a wasteful number, since it uses less digits than its factorization.

234878136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6443 (or 6439 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 234878136 is about 15325.7344359088. The cubic root of 234878136 is about 616.9938908408.

The spelling of 234878136 in words is "two hundred thirty-four million, eight hundred seventy-eight thousand, one hundred thirty-six".