133417131 has 8 divisors (see below), whose sum is σ = 178248000. Its totient is φ = 88765512.

The previous prime is 133417127. The next prime is 133417147. The reversal of 133417131 is 131714331.

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

It is not a de Polignac number, because 133417131 - 2² = 133417127 is a prime.

It is a super-2 number, since 2×133417131² = 35600261688542322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133417121) 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 7 ways as a sum of consecutive naturals, for example, 43065 + ... + 46058.

It is an arithmetic number, because the mean of its divisors is an integer number (22281000).

Almost surely, 2^133417131 is an apocalyptic number.

133417131 is a deficient number, since it is larger than the sum of its proper divisors (44830869).

133417131 is an equidigital number, since it uses as much as digits as its factorization.

133417131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89625.

The product of its digits is 756, while the sum is 24.

The square root of 133417131 is about 11550.6333592578. The cubic root of 133417131 is about 510.9799574197.

The spelling of 133417131 in words is "one hundred thirty-three million, four hundred seventeen thousand, one hundred thirty-one".