133113244 has 12 divisors (see below), whose sum is σ = 254125368. Its totient is φ = 60506000.

The previous prime is 133113241. The next prime is 133113283. The reversal of 133113244 is 442311331.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133113241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1512607 + ... + 1512694.

It is an arithmetic number, because the mean of its divisors is an integer number (21177114).

Almost surely, 2^133113244 is an apocalyptic number.

It is an amenable number.

133113244 is a deficient number, since it is larger than the sum of its proper divisors (121012124).

133113244 is a wasteful number, since it uses less digits than its factorization.

133113244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025316 (or 3025314 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 133113244 is about 11537.4713000726. The cubic root of 133113244 is about 510.5917059023.

Adding to 133113244 its reverse (442311331), we get a palindrome (575424575).

The spelling of 133113244 in words is "one hundred thirty-three million, one hundred thirteen thousand, two hundred forty-four".