134440824 has 32 divisors (see below), whose sum is σ = 384117120. Its totient is φ = 38411616.

The previous prime is 134440783. The next prime is 134440909. The reversal of 134440824 is 428044431.

It is a junction number, because it is equal to n+sod(n) for n = 134440791 and 134440800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399954 + ... + 400289.

It is an arithmetic number, because the mean of its divisors is an integer number (12003660).

Almost surely, 2^134440824 is an apocalyptic number.

134440824 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

134440824 is an abundant number, since it is smaller than the sum of its proper divisors (249676296).

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

134440824 is a wasteful number, since it uses less digits than its factorization.

134440824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800259 (or 800255 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 134440824 is about 11594.8619655432. The cubic root of 134440824 is about 512.2835242009.

The spelling of 134440824 in words is "one hundred thirty-four million, four hundred forty thousand, eight hundred twenty-four".