133417129 has 8 divisors (see below), whose sum is σ = 134466048. Its totient is φ = 132372240.

The previous prime is 133417127. The next prime is 133417147. The reversal of 133417129 is 921714331.

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 133417129 - 2¹ = 133417127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133417129.

It is not an unprimeable number, because it can be changed into a prime (133417121) 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, 103839 + ... + 105115.

It is an arithmetic number, because the mean of its divisors is an integer number (16808256).

Almost surely, 2^133417129 is an apocalyptic number.

It is an amenable number.

133417129 is a deficient number, since it is larger than the sum of its proper divisors (1048919).

133417129 is a wasteful number, since it uses less digits than its factorization.

133417129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015.

The product of its digits is 4536, while the sum is 31.

The square root of 133417129 is about 11550.6332726825. The cubic root of 133417129 is about 510.9799548664.

The spelling of 133417129 in words is "one hundred thirty-three million, four hundred seventeen thousand, one hundred twenty-nine".