232178138 has 8 divisors (see below), whose sum is σ = 366597120. Its totient is φ = 109979100.

The previous prime is 232178137. The next prime is 232178143. The reversal of 232178138 is 831871232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 232178098 and 232178107.

It is not an unprimeable number, because it can be changed into a prime (232178137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3054938 + ... + 3055013.

It is an arithmetic number, because the mean of its divisors is an integer number (45824640).

Almost surely, 2^232178138 is an apocalyptic number.

232178138 is a deficient number, since it is larger than the sum of its proper divisors (134418982).

232178138 is a wasteful number, since it uses less digits than its factorization.

232178138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6109972.

The product of its digits is 16128, while the sum is 35.

The square root of 232178138 is about 15237.3927559803. The cubic root of 232178138 is about 614.6205939752.

The spelling of 232178138 in words is "two hundred thirty-two million, one hundred seventy-eight thousand, one hundred thirty-eight".