133425455 has 4 divisors (see below), whose sum is σ = 160110552. Its totient is φ = 106740360.

The previous prime is 133425449. The next prime is 133425493. The reversal of 133425455 is 554524331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 133425455 - 2⁸ = 133425199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13342541 + ... + 13342550.

It is an arithmetic number, because the mean of its divisors is an integer number (40027638).

Almost surely, 2^133425455 is an apocalyptic number.

133425455 is a deficient number, since it is larger than the sum of its proper divisors (26685097).

133425455 is an equidigital number, since it uses as much as digits as its factorization.

133425455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26685096.

The product of its digits is 36000, while the sum is 32.

The square root of 133425455 is about 11550.9936801991. The cubic root of 133425455 is about 510.9905840129.

Adding to 133425455 its reverse (554524331), we get a palindrome (687949786).

The spelling of 133425455 in words is "one hundred thirty-three million, four hundred twenty-five thousand, four hundred fifty-five".