133231150 has 36 divisors (see below), whose sum is σ = 268355592. Its totient is φ = 49189920.

The previous prime is 133231139. The next prime is 133231169. The reversal of 133231150 is 51132331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 567 + ... + 16333.

It is an arithmetic number, because the mean of its divisors is an integer number (7454322).

Almost surely, 2^133231150 is an apocalyptic number.

133231150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133231150 is an abundant number, since it is smaller than the sum of its proper divisors (135124442).

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

133231150 is a wasteful number, since it uses less digits than its factorization.

133231150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15805 (or 15787 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 133231150 is about 11542.5798676033. The cubic root of 133231150 is about 510.7424148222.

Adding to 133231150 its reverse (51132331), we get a palindrome (184363481).

The spelling of 133231150 in words is "one hundred thirty-three million, two hundred thirty-one thousand, one hundred fifty".