133425888 has 24 divisors (see below), whose sum is σ = 350243208. Its totient is φ = 44475264.

The previous prime is 133425821. The next prime is 133425889. The reversal of 133425888 is 888524331.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133425889) by changing a digit.

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, 694831 + ... + 695022.

It is an arithmetic number, because the mean of its divisors is an integer number (14593467).

Almost surely, 2^133425888 is an apocalyptic number.

It is an amenable number.

133425888 is an abundant number, since it is smaller than the sum of its proper divisors (216817320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133425888 is a wasteful number, since it uses less digits than its factorization.

133425888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389866 (or 1389858 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 133425888 is about 11551.0124231601. The cubic root of 133425888 is about 510.9911367777.

The spelling of 133425888 in words is "one hundred thirty-three million, four hundred twenty-five thousand, eight hundred eighty-eight".