133045131 has 8 divisors (see below), whose sum is σ = 178419600. Its totient is φ = 88183712.

The previous prime is 133045093. The next prime is 133045141. The reversal of 133045131 is 131540331.

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

It is a cyclic number.

It is not a de Polignac number, because 133045131 - 2⁶ = 133045067 is a prime.

It is a super-2 number, since 2×133045131² = 35402013765614322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133045098 and 133045107.

It is not an unprimeable number, because it can be changed into a prime (133045141) 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, 127656 + ... + 128693.

It is an arithmetic number, because the mean of its divisors is an integer number (22302450).

Almost surely, 2^133045131 is an apocalyptic number.

133045131 is a deficient number, since it is larger than the sum of its proper divisors (45374469).

133045131 is a wasteful number, since it uses less digits than its factorization.

133045131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256525.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 133045131 is about 11534.5191057105. The cubic root of 133045131 is about 510.5046024572.

Adding to 133045131 its reverse (131540331), we get a palindrome (264585462).

The spelling of 133045131 in words is "one hundred thirty-three million, forty-five thousand, one hundred thirty-one".