13640116520140 has 24 divisors (see below), whose sum is σ = 31248266937552. Its totient is φ = 4960042370880.

The previous prime is 13640116520113. The next prime is 13640116520143. The reversal of 13640116520140 is 4102561104631.

13640116520140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13640116520140² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13640116520096 and 13640116520105.

It is not an unprimeable number, because it can be changed into a prime (13640116520143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31000264599 + ... + 31000265038.

It is an arithmetic number, because the mean of its divisors is an integer number (1302011122398).

Almost surely, 2^{13640116520140} is an apocalyptic number.

13640116520140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13640116520140 is an abundant number, since it is smaller than the sum of its proper divisors (17608150417412).

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

13640116520140 is a wasteful number, since it uses less digits than its factorization.

13640116520140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62000529657 (or 62000529655 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 13640116520140 its reverse (4102561104631), we get a palindrome (17742677624771).

The spelling of 13640116520140 in words is "thirteen trillion, six hundred forty billion, one hundred sixteen million, five hundred twenty thousand, one hundred forty".