133797516 has 12 divisors (see below), whose sum is σ = 312194232. Its totient is φ = 44599168.

The previous prime is 133797511. The next prime is 133797529. The reversal of 133797516 is 615797331.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (133797511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5574885 + ... + 5574908.

It is an arithmetic number, because the mean of its divisors is an integer number (26016186).

Almost surely, 2^133797516 is an apocalyptic number.

It is an amenable number.

133797516 is an abundant number, since it is smaller than the sum of its proper divisors (178396716).

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

133797516 is a wasteful number, since it uses less digits than its factorization.

133797516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11149800 (or 11149798 counting only the distinct ones).

The product of its digits is 119070, while the sum is 42.

The square root of 133797516 is about 11567.0876196215. The cubic root of 133797516 is about 511.4651142109.

The spelling of 133797516 in words is "one hundred thirty-three million, seven hundred ninety-seven thousand, five hundred sixteen".