133230929 has 8 divisors (see below), whose sum is σ = 143574312. Its totient is φ = 122901120.

The previous prime is 133230919. The next prime is 133230931. The reversal of 133230929 is 929032331.

It can be written as a sum of positive squares in 4 ways, for example, as 43890625 + 89340304 = 6625^2 + 9452^2 .

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 133230929 - 2²⁰ = 132182353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133230895 and 133230904.

It is not an unprimeable number, because it can be changed into a prime (133230919) 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, 27407 + ... + 31899.

It is an arithmetic number, because the mean of its divisors is an integer number (17946789).

Almost surely, 2^133230929 is an apocalyptic number.

It is an amenable number.

133230929 is a deficient number, since it is larger than the sum of its proper divisors (10343383).

133230929 is a wasteful number, since it uses less digits than its factorization.

133230929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6787.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 133230929 is about 11542.5702943495. The cubic root of 133230929 is about 510.7421324204.

The spelling of 133230929 in words is "one hundred thirty-three million, two hundred thirty thousand, nine hundred twenty-nine".