14135023240 has 64 divisors (see below), whose sum is σ = 34284222000. Its totient is φ = 5213908992.

The previous prime is 14135023223. The next prime is 14135023249. The reversal of 14135023240 is 4232053141.

It can be written as a sum of positive squares in 8 ways, for example, as 7472219364 + 6662803876 = 86442^2 + 81626^2 .

It is not an unprimeable number, because it can be changed into a prime (14135023249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532524 + ... + 558436.

Almost surely, 2^14135023240 is an apocalyptic number.

14135023240 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 14135023240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17142111000).

14135023240 is an abundant number, since it is smaller than the sum of its proper divisors (20149198760).

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

14135023240 is a wasteful number, since it uses less digits than its factorization.

14135023240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26986 (or 26982 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 14135023240 its reverse (4232053141), we get a palindrome (18367076381).

The spelling of 14135023240 in words is "fourteen billion, one hundred thirty-five million, twenty-three thousand, two hundred forty".