133418230 has 48 divisors (see below), whose sum is σ = 267859872. Its totient is φ = 47801600.

The previous prime is 133418221. The next prime is 133418249. The reversal of 133418230 is 32814331.

It is a junction number, because it is equal to n+sod(n) for n = 133418195 and 133418204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85134 + ... + 86686.

It is an arithmetic number, because the mean of its divisors is an integer number (5580414).

Almost surely, 2^133418230 is an apocalyptic number.

133418230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133418230 is an abundant number, since it is smaller than the sum of its proper divisors (134441642).

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

133418230 is a wasteful number, since it uses less digits than its factorization.

133418230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 133418230 is about 11550.6809323087. The cubic root of 133418230 is about 510.9813604515.

The spelling of 133418230 in words is "one hundred thirty-three million, four hundred eighteen thousand, two hundred thirty".