234194138 has 16 divisors (see below), whose sum is σ = 359230464. Its totient is φ = 114457200.

The previous prime is 234194137. The next prime is 234194161. The reversal of 234194138 is 831491432.

It is a junction number, because it is equal to n+sod(n) for n = 234194098 and 234194107.

It is not an unprimeable number, because it can be changed into a prime (234194137) 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, 119063 + ... + 121013.

It is an arithmetic number, because the mean of its divisors is an integer number (22451904).

Almost surely, 2^234194138 is an apocalyptic number.

234194138 is a deficient number, since it is larger than the sum of its proper divisors (125036326).

234194138 is a wasteful number, since it uses less digits than its factorization.

234194138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277.

The product of its digits is 20736, while the sum is 35.

The square root of 234194138 is about 15303.4028242087. The cubic root of 234194138 is about 616.3943843314.

The spelling of 234194138 in words is "two hundred thirty-four million, one hundred ninety-four thousand, one hundred thirty-eight".