133211744 has 12 divisors (see below), whose sum is σ = 262260684. Its totient is φ = 66605856.

The previous prime is 133211713. The next prime is 133211753. The reversal of 133211744 is 447112331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2081402 + ... + 2081465.

It is an arithmetic number, because the mean of its divisors is an integer number (21855057).

Almost surely, 2^133211744 is an apocalyptic number.

It is an amenable number.

133211744 is a deficient number, since it is larger than the sum of its proper divisors (129048940).

133211744 is an equidigital number, since it uses as much as digits as its factorization.

133211744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162877 (or 4162869 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 133211744 is about 11541.7392103617. The cubic root of 133211744 is about 510.7176159455.

The spelling of 133211744 in words is "one hundred thirty-three million, two hundred eleven thousand, seven hundred forty-four".