133318351 has 6 divisors (see below), whose sum is σ = 134841152. Its totient is φ = 131812560.

The previous prime is 133318343. The next prime is 133318357. The reversal of 133318351 is 153813331.

It is not a de Polignac number, because 133318351 - 2³ = 133318343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133318357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 495 + ... + 16336.

Almost surely, 2^133318351 is an apocalyptic number.

133318351 is a deficient number, since it is larger than the sum of its proper divisors (1522801).

133318351 is an frugal number, since it uses more digits than its factorization.

133318351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17009 (or 16920 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

The square root of 133318351 is about 11546.3566115030. The cubic root of 133318351 is about 510.8538190400.

The spelling of 133318351 in words is "one hundred thirty-three million, three hundred eighteen thousand, three hundred fifty-one".