133134230 has 16 divisors (see below), whose sum is σ = 243018144. Its totient is φ = 52503360.

The previous prime is 133134217. The next prime is 133134263. The reversal of 133134230 is 32431331.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93047 + ... + 94466.

It is an arithmetic number, because the mean of its divisors is an integer number (15188634).

Almost surely, 2^133134230 is an apocalyptic number.

133134230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133134230 is a deficient number, since it is larger than the sum of its proper divisors (109883914).

133134230 is a wasteful number, since it uses less digits than its factorization.

133134230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187591.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 133134230 is about 11538.3807356145. The cubic root of 133134230 is about 510.6185369777.

Adding to 133134230 its reverse (32431331), we get a palindrome (165565561).

The spelling of 133134230 in words is "one hundred thirty-three million, one hundred thirty-four thousand, two hundred thirty".