13134231302240 has 72 divisors (see below), whose sum is σ = 32437392766128. Its totient is φ = 5025271074560.

The previous prime is 13134231302233. The next prime is 13134231302249. The reversal of 13134231302240 is 4220313243131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13134231302249) 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 11 ways as a sum of consecutive naturals, for example, 77504156 + ... + 77673435.

It is an arithmetic number, because the mean of its divisors is an integer number (450519343974).

Almost surely, 2^{13134231302240} is an apocalyptic number.

13134231302240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13134231302240 is an abundant number, since it is smaller than the sum of its proper divisors (19303161463888).

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

13134231302240 is a wasteful number, since it uses less digits than its factorization.

13134231302240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155177652 (or 155177621 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 13134231302240 its reverse (4220313243131), we get a palindrome (17354544545371).

The spelling of 13134231302240 in words is "thirteen trillion, one hundred thirty-four billion, two hundred thirty-one million, three hundred two thousand, two hundred forty".