133061316 has 24 divisors (see below), whose sum is σ = 311086944. Its totient is φ = 44266560.

The previous prime is 133061311. The next prime is 133061317. The reversal of 133061316 is 613160331.

It is not an unprimeable number, because it can be changed into a prime (133061311) 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, 4390 + ... + 16893.

It is an arithmetic number, because the mean of its divisors is an integer number (12961956).

Almost surely, 2^133061316 is an apocalyptic number.

It is an amenable number.

133061316 is an abundant number, since it is smaller than the sum of its proper divisors (178025628).

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

133061316 is a wasteful number, since it uses less digits than its factorization.

133061316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21811 (or 21809 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 133061316 is about 11535.2206740920. The cubic root of 133061316 is about 510.5253026560.

The spelling of 133061316 in words is "one hundred thirty-three million, sixty-one thousand, three hundred sixteen".