133214464 has 18 divisors (see below), whose sum is σ = 265909070. Its totient is φ = 66607104.

The previous prime is 133214447. The next prime is 133214483. The reversal of 133214464 is 464412331.

It can be written as a sum of positive squares in only one way, i.e., 120824064 + 12390400 = 10992^2 + 3520^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259929 + ... + 260440.

Almost surely, 2^133214464 is an apocalyptic number.

It is an amenable number.

133214464 is a deficient number, since it is larger than the sum of its proper divisors (132694606).

133214464 is an frugal number, since it uses more digits than its factorization.

133214464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520385 (or 520371 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 133214464 is about 11541.8570429546. The cubic root of 133214464 is about 510.7210919715.

Adding to 133214464 its reverse (464412331), we get a palindrome (597626795).

The spelling of 133214464 in words is "one hundred thirty-three million, two hundred fourteen thousand, four hundred sixty-four".