133345516 has 6 divisors (see below), whose sum is σ = 233354660. Its totient is φ = 66672756.

The previous prime is 133345483. The next prime is 133345519. The reversal of 133345516 is 615543331.

It is not an unprimeable number, because it can be changed into a prime (133345519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16668186 + ... + 16668193.

Almost surely, 2^133345516 is an apocalyptic number.

It is an amenable number.

133345516 is a deficient number, since it is larger than the sum of its proper divisors (100009144).

133345516 is a wasteful number, since it uses less digits than its factorization.

133345516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33336383 (or 33336381 counting only the distinct ones).

The product of its digits is 16200, while the sum is 31.

The square root of 133345516 is about 11547.5328966840. The cubic root of 133345516 is about 510.8885139425. Note that the first 3 decimals are identical.

Adding to 133345516 its reverse (615543331), we get a palindrome (748888847).

The spelling of 133345516 in words is "one hundred thirty-three million, three hundred forty-five thousand, five hundred sixteen".