133425453 has 16 divisors (see below), whose sum is σ = 203673600. Its totient is φ = 76108656.

The previous prime is 133425449. The next prime is 133425493. The reversal of 133425453 is 354524331.

It is not a de Polignac number, because 133425453 - 2² = 133425449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133425453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133425493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7276 + ... + 17882.

It is an arithmetic number, because the mean of its divisors is an integer number (12729600).

Almost surely, 2^133425453 is an apocalyptic number.

It is an amenable number.

133425453 is a deficient number, since it is larger than the sum of its proper divisors (70248147).

133425453 is a wasteful number, since it uses less digits than its factorization.

133425453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11216.

The product of its digits is 21600, while the sum is 30.

The square root of 133425453 is about 11550.9935936265. The cubic root of 133425453 is about 510.9905814597.

Adding to 133425453 its reverse (354524331), we get a palindrome (487949784).

The spelling of 133425453 in words is "one hundred thirty-three million, four hundred twenty-five thousand, four hundred fifty-three".