133182131 has 8 divisors (see below), whose sum is σ = 143122320. Its totient is φ = 123475968.

The previous prime is 133182109. The next prime is 133182157. The reversal of 133182131 is 131281331.

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-133182131 is a prime.

It is a super-2 number, since 2×133182131² = 35474960035402322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133182097 and 133182106.

It is not an unprimeable number, because it can be changed into a prime (133182031) 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, 57326 + ... + 59603.

It is an arithmetic number, because the mean of its divisors is an integer number (17890290).

Almost surely, 2^133182131 is an apocalyptic number.

133182131 is a deficient number, since it is larger than the sum of its proper divisors (9940189).

133182131 is a wasteful number, since it uses less digits than its factorization.

133182131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117013.

The product of its digits is 432, while the sum is 23.

The square root of 133182131 is about 11540.4562734755. The cubic root of 133182131 is about 510.6797689281.

The spelling of 133182131 in words is "one hundred thirty-three million, one hundred eighty-two thousand, one hundred thirty-one".