133387896 has 32 divisors (see below), whose sum is σ = 334978560. Its totient is φ = 44261472.

The previous prime is 133387873. The next prime is 133387921. The reversal of 133387896 is 698783331.

133387896 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×133387896³ (a number of 25 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 7110 + ... + 17813.

It is an arithmetic number, because the mean of its divisors is an integer number (10468080).

Almost surely, 2^133387896 is an apocalyptic number.

It is an amenable number.

133387896 is an abundant number, since it is smaller than the sum of its proper divisors (201590664).

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

133387896 is a wasteful number, since it uses less digits than its factorization.

133387896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25155 (or 25151 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The square root of 133387896 is about 11549.3677749044. The cubic root of 133387896 is about 510.9426319024.

The spelling of 133387896 in words is "one hundred thirty-three million, three hundred eighty-seven thousand, eight hundred ninety-six".