133629983 has 8 divisors (see below), whose sum is σ = 140966400. Its totient is φ = 126323928.

The previous prime is 133629953. The next prime is 133630009. The reversal of 133629983 is 389926331.

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 133629983 - 2¹² = 133625887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133629953) 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, 1760 + ... + 16442.

It is an arithmetic number, because the mean of its divisors is an integer number (17620800).

Almost surely, 2^133629983 is an apocalyptic number.

133629983 is a deficient number, since it is larger than the sum of its proper divisors (7336417).

133629983 is a wasteful number, since it uses less digits than its factorization.

133629983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15181.

The product of its digits is 209952, while the sum is 44.

The square root of 133629983 is about 11559.8435543047. The cubic root of 133629983 is about 511.2515500219.

The spelling of 133629983 in words is "one hundred thirty-three million, six hundred twenty-nine thousand, nine hundred eighty-three".