133244132 has 36 divisors (see below), whose sum is σ = 271934460. Its totient is φ = 56960064.

The previous prime is 133244119. The next prime is 133244159. The reversal of 133244132 is 231442331.

It can be written as a sum of positive squares in 2 ways, for example, as 1132096 + 132112036 = 1064^2 + 11494^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133244098 and 133244107.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119594 + ... + 120702.

It is an arithmetic number, because the mean of its divisors is an integer number (7553735).

Almost surely, 2^133244132 is an apocalyptic number.

It is an amenable number.

133244132 is an abundant number, since it is smaller than the sum of its proper divisors (138690328).

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

133244132 is a wasteful number, since it uses less digits than its factorization.

133244132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740 (or 1731 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 133244132 is about 11543.1422065225. The cubic root of 133244132 is about 510.7590031418.

Adding to 133244132 its reverse (231442331), we get a palindrome (364686463).

The spelling of 133244132 in words is "one hundred thirty-three million, two hundred forty-four thousand, one hundred thirty-two".