133828159 has 8 divisors (see below), whose sum is σ = 135146880. Its totient is φ = 132514200.

The previous prime is 133828157. The next prime is 133828171. The reversal of 133828159 is 951828331.

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 133828159 - 2¹ = 133828157 is a prime.

It is a super-2 number, since 2×133828159² = 35819952282658562, 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 (133828157) 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, 81852 + ... + 83470.

It is an arithmetic number, because the mean of its divisors is an integer number (16893360).

Almost surely, 2^133828159 is an apocalyptic number.

133828159 is a deficient number, since it is larger than the sum of its proper divisors (1318721).

133828159 is a wasteful number, since it uses less digits than its factorization.

133828159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381.

The product of its digits is 51840, while the sum is 40.

The square root of 133828159 is about 11568.4121209438. The cubic root of 133828159 is about 511.5041573602.

The spelling of 133828159 in words is "one hundred thirty-three million, eight hundred twenty-eight thousand, one hundred fifty-nine".