133425464 has 16 divisors (see below), whose sum is σ = 250305000. Its totient is φ = 66677472.

The previous prime is 133425449. The next prime is 133425493. The reversal of 133425464 is 464524331.

It is a self number, because there is not a number n which added to its sum of digits gives 133425464.

It is a congruent number.

It is an unprimeable number.

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, 18959 + ... + 25025.

Almost surely, 2^133425464 is an apocalyptic number.

It is an amenable number.

133425464 is a deficient number, since it is larger than the sum of its proper divisors (116879536).

133425464 is a wasteful number, since it uses less digits than its factorization.

133425464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8822 (or 8818 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 133425464 is about 11550.9940697760. The cubic root of 133425464 is about 510.9905955022.

Adding to 133425464 its reverse (464524331), we get a palindrome (597949795).

The spelling of 133425464 in words is "one hundred thirty-three million, four hundred twenty-five thousand, four hundred sixty-four".