13311040140 has 144 divisors (see below), whose sum is σ = 43406737920. Its totient is φ = 3291200640.

The previous prime is 13311040123. The next prime is 13311040157. The reversal of 13311040140 is 4104011331.

It is an interprime number because it is at equal distance from previous prime (13311040123) and next prime (13311040157).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119335 + ... + 202145.

It is an arithmetic number, because the mean of its divisors is an integer number (301435680).

Almost surely, 2^13311040140 is an apocalyptic number.

13311040140 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 13311040140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21703368960).

13311040140 is an abundant number, since it is smaller than the sum of its proper divisors (30095697780).

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

13311040140 is a wasteful number, since it uses less digits than its factorization.

13311040140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82892 (or 82887 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13311040140 its reverse (4104011331), we get a palindrome (17415051471).

The spelling of 13311040140 in words is "thirteen billion, three hundred eleven million, forty thousand, one hundred forty".