13105513340 has 96 divisors (see below), whose sum is σ = 30052619520. Its totient is φ = 4783919616.

The previous prime is 13105513339. The next prime is 13105513381. The reversal of 13105513340 is 4331550131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1187327 + ... + 1198313.

It is an arithmetic number, because the mean of its divisors is an integer number (313048120).

Almost surely, 2^13105513340 is an apocalyptic number.

13105513340 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 13105513340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15026309760).

13105513340 is an abundant number, since it is smaller than the sum of its proper divisors (16947106180).

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

13105513340 is a wasteful number, since it uses less digits than its factorization.

13105513340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11131 (or 11129 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The spelling of 13105513340 in words is "thirteen billion, one hundred five million, five hundred thirteen thousand, three hundred forty".