133949344 has 12 divisors (see below), whose sum is σ = 263712834. Its totient is φ = 66974656.

The previous prime is 133949329. The next prime is 133949353. The reversal of 133949344 is 443949331.

It can be written as a sum of positive squares in only one way, i.e., 116208400 + 17740944 = 10780^2 + 4212^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133949297 and 133949306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2092927 + ... + 2092990.

Almost surely, 2^133949344 is an apocalyptic number.

It is an amenable number.

133949344 is a deficient number, since it is larger than the sum of its proper divisors (129763490).

133949344 is an equidigital number, since it uses as much as digits as its factorization.

133949344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4185927 (or 4185919 counting only the distinct ones).

The product of its digits is 139968, while the sum is 40.

The square root of 133949344 is about 11573.6486900199. The cubic root of 133949344 is about 511.6585043750.

The spelling of 133949344 in words is "one hundred thirty-three million, nine hundred forty-nine thousand, three hundred forty-four".