133797244 has 36 divisors (see below), whose sum is σ = 275852640. Its totient is φ = 56609280.

The previous prime is 133797229. The next prime is 133797253. The reversal of 133797244 is 442797331.

It is a junction number, because it is equal to n+sod(n) for n = 133797197 and 133797206.

It is a congruent number.

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, 11164 + ... + 19804.

Almost surely, 2^133797244 is an apocalyptic number.

133797244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133797244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137926320).

133797244 is an abundant number, since it is smaller than the sum of its proper divisors (142055396).

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

133797244 is a wasteful number, since it uses less digits than its factorization.

133797244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8738 (or 8729 counting only the distinct ones).

The product of its digits is 127008, while the sum is 40.

The square root of 133797244 is about 11567.0758621183. The cubic root of 133797244 is about 511.4647676210.

The spelling of 133797244 in words is "one hundred thirty-three million, seven hundred ninety-seven thousand, two hundred forty-four".