133947016 has 32 divisors (see below), whose sum is σ = 287642880. Its totient is φ = 57283200.

The previous prime is 133946999. The next prime is 133947019. The reversal of 133947016 is 610749331.

It is not an unprimeable number, because it can be changed into a prime (133947019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26881 + ... + 31471.

It is an arithmetic number, because the mean of its divisors is an integer number (8988840).

Almost surely, 2^133947016 is an apocalyptic number.

It is an amenable number.

133947016 is an abundant number, since it is smaller than the sum of its proper divisors (153695864).

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

133947016 is a wasteful number, since it uses less digits than its factorization.

133947016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5125 (or 5121 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 133947016 is about 11573.5481162866. The cubic root of 133947016 is about 511.6555402000.

The spelling of 133947016 in words is "one hundred thirty-three million, nine hundred forty-seven thousand, sixteen".