134323344240 has 160 divisors (see below), whose sum is σ = 420199819776. Its totient is φ = 35493719040.

The previous prime is 134323344173. The next prime is 134323344241. The reversal of 134323344240 is 42443323431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134323344241) 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 31 ways as a sum of consecutive naturals, for example, 24300357 + ... + 24305883.

Almost surely, 2^134323344240 is an apocalyptic number.

134323344240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134323344240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210099909888).

134323344240 is an abundant number, since it is smaller than the sum of its proper divisors (285876475536).

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

134323344240 is a wasteful number, since it uses less digits than its factorization.

134323344240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6447 (or 6441 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 134323344240 its reverse (42443323431), we get a palindrome (176766667671).

The spelling of 134323344240 in words is "one hundred thirty-four billion, three hundred twenty-three million, three hundred forty-four thousand, two hundred forty".