133311452 has 6 divisors (see below), whose sum is σ = 233295048. Its totient is φ = 66655724.

The previous prime is 133311403. The next prime is 133311457. The reversal of 133311452 is 254113331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133311457) 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 as a sum of consecutive naturals, namely, 16663928 + ... + 16663935.

It is an arithmetic number, because the mean of its divisors is an integer number (38882508).

Almost surely, 2^133311452 is an apocalyptic number.

It is an amenable number.

133311452 is a deficient number, since it is larger than the sum of its proper divisors (99983596).

133311452 is a wasteful number, since it uses less digits than its factorization.

133311452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33327867 (or 33327865 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 133311452 is about 11546.0578553894. The cubic root of 133311452 is about 510.8450069466.

Adding to 133311452 its reverse (254113331), we get a palindrome (387424783).

The spelling of 133311452 in words is "one hundred thirty-three million, three hundred eleven thousand, four hundred fifty-two".