133743864 has 32 divisors (see below), whose sum is σ = 335808720. Its totient is φ = 44388096.

The previous prime is 133743839. The next prime is 133743877. The reversal of 133743864 is 468347331.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6367 + ... + 17550.

Almost surely, 2^133743864 is an apocalyptic number.

It is an amenable number.

133743864 is an abundant number, since it is smaller than the sum of its proper divisors (202064856).

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

133743864 is a wasteful number, since it uses less digits than its factorization.

133743864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24159 (or 24155 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 133743864 is about 11564.7682207643. The cubic root of 133743864 is about 511.3967402584.

The spelling of 133743864 in words is "one hundred thirty-three million, seven hundred forty-three thousand, eight hundred sixty-four".