133040244 has 24 divisors (see below), whose sum is σ = 317999808. Its totient is φ = 43264960.

The previous prime is 133040227. The next prime is 133040279. The reversal of 133040244 is 442040331.

It is a self number, because there is not a number n which added to its sum of digits gives 133040244.

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, 134712 + ... + 135695.

It is an arithmetic number, because the mean of its divisors is an integer number (13249992).

Almost surely, 2^133040244 is an apocalyptic number.

It is an amenable number.

133040244 is an abundant number, since it is smaller than the sum of its proper divisors (184959564).

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

133040244 is a wasteful number, since it uses less digits than its factorization.

133040244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270455 (or 270453 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 133040244 is about 11534.3072613833. The cubic root of 133040244 is about 510.4983517799.

Adding to 133040244 its reverse (442040331), we get a palindrome (575080575).

The spelling of 133040244 in words is "one hundred thirty-three million, forty thousand, two hundred forty-four".