133425016 has 16 divisors (see below), whose sum is σ = 250586640. Its totient is φ = 66601920.

The previous prime is 133424981. The next prime is 133425031. The reversal of 133425016 is 610524331.

It is a nialpdrome in base 15.

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, 8580 + ... + 18451.

It is an arithmetic number, because the mean of its divisors is an integer number (15661665).

Almost surely, 2^133425016 is an apocalyptic number.

It is an amenable number.

133425016 is a deficient number, since it is larger than the sum of its proper divisors (117161624).

133425016 is a wasteful number, since it uses less digits than its factorization.

133425016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27654 (or 27650 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 133425016 is about 11550.9746774893. The cubic root of 133425016 is about 510.9900235873.

Adding to 133425016 its reverse (610524331), we get a palindrome (743949347).

The spelling of 133425016 in words is "one hundred thirty-three million, four hundred twenty-five thousand, sixteen".