133618234 has 8 divisors (see below), whose sum is σ = 203419008. Its totient is φ = 65811900.

The previous prime is 133618231. The next prime is 133618259. The reversal of 133618234 is 432816331.

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 = 133618196 and 133618205.

It is not an unprimeable number, because it can be changed into a prime (133618231) 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, 498442 + ... + 498709.

It is an arithmetic number, because the mean of its divisors is an integer number (25427376).

Almost surely, 2^133618234 is an apocalyptic number.

133618234 is a deficient number, since it is larger than the sum of its proper divisors (69800774).

133618234 is an equidigital number, since it uses as much as digits as its factorization.

133618234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997220.

The product of its digits is 10368, while the sum is 31.

The square root of 133618234 is about 11559.3353615162. The cubic root of 133618234 is about 511.2365661828.

The spelling of 133618234 in words is "one hundred thirty-three million, six hundred eighteen thousand, two hundred thirty-four".