234138807 has 36 divisors (see below), whose sum is σ = 416572416. Its totient is φ = 125919360.

The previous prime is 234138787. The next prime is 234138833. The reversal of 234138807 is 708831432.

It is not a de Polignac number, because 234138807 - 2¹⁶ = 234073271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234138847) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8119 + ... + 23112.

It is an arithmetic number, because the mean of its divisors is an integer number (11571456).

Almost surely, 2^234138807 is an apocalyptic number.

234138807 is a deficient number, since it is larger than the sum of its proper divisors (182433609).

234138807 is a wasteful number, since it uses less digits than its factorization.

234138807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31268 (or 31258 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 234138807 is about 15301.5949168706. The cubic root of 234138807 is about 616.3458371385.

The spelling of 234138807 in words is "two hundred thirty-four million, one hundred thirty-eight thousand, eight hundred seven".