133361331 has 8 divisors (see below), whose sum is σ = 177885120. Its totient is φ = 88872552.

The previous prime is 133361297. The next prime is 133361341. The reversal of 133361331 is 133163331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133361331 - 2¹³ = 133353139 is a prime.

It is a super-2 number, since 2×133361331² = 35570489212183122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133361341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2040 + ... + 16458.

It is an arithmetic number, because the mean of its divisors is an integer number (22235640).

Almost surely, 2^133361331 is an apocalyptic number.

133361331 is a deficient number, since it is larger than the sum of its proper divisors (44523789).

133361331 is a wasteful number, since it uses less digits than its factorization.

133361331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17505.

The product of its digits is 1458, while the sum is 24.

The square root of 133361331 is about 11548.2176546859. The cubic root of 133361331 is about 510.9087105532.

The spelling of 133361331 in words is "one hundred thirty-three million, three hundred sixty-one thousand, three hundred thirty-one".