133854829 has 12 divisors (see below), whose sum is σ = 144572736. Its totient is φ = 123846408.

The previous prime is 133854827. The next prime is 133854881. The reversal of 133854829 is 928458331.

It is not a de Polignac number, because 133854829 - 2¹ = 133854827 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133854823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11212 + ... + 19834.

It is an arithmetic number, because the mean of its divisors is an integer number (12047728).

Almost surely, 2^133854829 is an apocalyptic number.

133854829 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

133854829 is a deficient number, since it is larger than the sum of its proper divisors (10717907).

133854829 is an equidigital number, since it uses as much as digits as its factorization.

133854829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8704 (or 8685 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 133854829 is about 11569.5647714164. The cubic root of 133854829 is about 511.5381335424.

The spelling of 133854829 in words is "one hundred thirty-three million, eight hundred fifty-four thousand, eight hundred twenty-nine".