13651304140 has 24 divisors (see below), whose sum is σ = 28669949280. Its totient is φ = 5460100608.

The previous prime is 13651304137. The next prime is 13651304221. The reversal of 13651304140 is 4140315631.

It is a super-2 number, since 2×13651304140² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13651304099 and 13651304108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448444 + ... + 477916.

It is an arithmetic number, because the mean of its divisors is an integer number (1194581220).

Almost surely, 2^13651304140 is an apocalyptic number.

13651304140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13651304140 is an abundant number, since it is smaller than the sum of its proper divisors (15018645140).

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

13651304140 is a wasteful number, since it uses less digits than its factorization.

13651304140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52641 (or 52639 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 13651304140 its reverse (4140315631), we get a palindrome (17791619771).

The spelling of 13651304140 in words is "thirteen billion, six hundred fifty-one million, three hundred four thousand, one hundred forty".