134440323040 has 48 divisors (see below), whose sum is σ = 318097478160. Its totient is φ = 53694484480.

The previous prime is 134440323011. The next prime is 134440323047. The reversal of 134440323040 is 40323044431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134440323047) 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, 532081 + ... + 742960.

It is an arithmetic number, because the mean of its divisors is an integer number (6627030795).

Almost surely, 2^134440323040 is an apocalyptic number.

134440323040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134440323040 is an abundant number, since it is smaller than the sum of its proper divisors (183657155120).

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

134440323040 is a wasteful number, since it uses less digits than its factorization.

134440323040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275715 (or 1275707 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 134440323040 its reverse (40323044431), we get a palindrome (174763367471).

The spelling of 134440323040 in words is "one hundred thirty-four billion, four hundred forty million, three hundred twenty-three thousand, forty".