133483831 has 8 divisors (see below), whose sum is σ = 143921120. Its totient is φ = 123070752.

The previous prime is 133483829. The next prime is 133483841. The reversal of 133483831 is 138384331.

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 133483831 - 2¹ = 133483829 is a prime.

It is a super-2 number, since 2×133483831² = 35635866276873122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133483841) 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, 6361 + ... + 17533.

It is an arithmetic number, because the mean of its divisors is an integer number (17990140).

Almost surely, 2^133483831 is an apocalyptic number.

133483831 is a deficient number, since it is larger than the sum of its proper divisors (10437289).

133483831 is a wasteful number, since it uses less digits than its factorization.

133483831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12105.

The product of its digits is 20736, while the sum is 34.

The square root of 133483831 is about 11553.5202860427. The cubic root of 133483831 is about 511.0650956245.

The spelling of 133483831 in words is "one hundred thirty-three million, four hundred eighty-three thousand, eight hundred thirty-one".