133963896 has 64 divisors (see below), whose sum is σ = 377164800. Its totient is φ = 39283200.

The previous prime is 133963867. The next prime is 133963897. The reversal of 133963896 is 698369331.

It is a happy number.

133963896 is a nontrivial binomial coefficient, being equal to C(16369, 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133963897) 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, 1 + ... + 16368.

It is an arithmetic number, because the mean of its divisors is an integer number (5893200).

Almost surely, 2^133963896 is an apocalyptic number.

133963896 is the 16368-th triangular number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133963896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188582400).

133963896 is an abundant number, since it is smaller than the sum of its proper divisors (243200904).

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

133963896 is a wasteful number, since it uses less digits than its factorization.

133963896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16420 (or 16416 counting only the distinct ones).

The product of its digits is 629856, while the sum is 48.

The square root of 133963896 is about 11574.2773424521. The cubic root of 133963896 is about 511.6770322372.

The spelling of 133963896 in words is "one hundred thirty-three million, nine hundred sixty-three thousand, eight hundred ninety-six".