133141331 has 8 divisors (see below), whose sum is σ = 142370784. Its totient is φ = 124067200.

The previous prime is 133141313. The next prime is 133141343.

133141331 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133141331 is a prime.

It is a super-2 number, since 2×133141331² = 35453228040903122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133141301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37055 + ... + 40488.

It is an arithmetic number, because the mean of its divisors is an integer number (17796348).

Almost surely, 2^133141331 is an apocalyptic number.

133141331 is a deficient number, since it is larger than the sum of its proper divisors (9229453).

133141331 is a wasteful number, since it uses less digits than its factorization.

133141331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77661.

The product of its digits is 324, while the sum is 20.

The square root of 133141331 is about 11538.6884436664. The cubic root of 133141331 is about 510.6276151283.

The spelling of 133141331 in words is "one hundred thirty-three million, one hundred forty-one thousand, three hundred thirty-one".