134403836 has 48 divisors (see below), whose sum is σ = 285759936. Its totient is φ = 53996544.

The previous prime is 134403823. The next prime is 134403839. The reversal of 134403836 is 638304431.

It is a super-2 number, since 2×134403836² = 36128782263029792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134403839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177170 + ... + 177926.

It is an arithmetic number, because the mean of its divisors is an integer number (5953332).

Almost surely, 2^134403836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134403836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142879968).

134403836 is an abundant number, since it is smaller than the sum of its proper divisors (151356100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134403836 is a wasteful number, since it uses less digits than its factorization.

134403836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158 (or 1156 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 134403836 is about 11593.2668389889. The cubic root of 134403836 is about 512.2365392638.

The spelling of 134403836 in words is "one hundred thirty-four million, four hundred three thousand, eight hundred thirty-six".