133723716 has 24 divisors (see below), whose sum is σ = 356596800. Its totient is φ = 38206752.

The previous prime is 133723703. The next prime is 133723741. The reversal of 133723716 is 617327331.

It is a happy number.

133723716 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

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, 795891 + ... + 796058.

It is an arithmetic number, because the mean of its divisors is an integer number (14858200).

Almost surely, 2^133723716 is an apocalyptic number.

It is an amenable number.

133723716 is an abundant number, since it is smaller than the sum of its proper divisors (222873084).

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

133723716 is a wasteful number, since it uses less digits than its factorization.

133723716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591963 (or 1591961 counting only the distinct ones).

The product of its digits is 15876, while the sum is 33.

The square root of 133723716 is about 11563.8970939731. The cubic root of 133723716 is about 511.3710589831.

The spelling of 133723716 in words is "one hundred thirty-three million, seven hundred twenty-three thousand, seven hundred sixteen".