13640063554132 has 48 divisors (see below), whose sum is σ = 25843297858560. Its totient is φ = 6279869578752.

The previous prime is 13640063554057. The next prime is 13640063554177. The reversal of 13640063554132 is 23145536004631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6686148 + ... + 8484379.

It is an arithmetic number, because the mean of its divisors is an integer number (538402038720).

Almost surely, 2^{13640063554132} is an apocalyptic number.

It is an amenable number.

13640063554132 is a deficient number, since it is larger than the sum of its proper divisors (12203234304428).

13640063554132 is a wasteful number, since it uses less digits than its factorization.

13640063554132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15170920 (or 15170918 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

Adding to 13640063554132 its reverse (23145536004631), we get a palindrome (36785599558763).

The spelling of 13640063554132 in words is "thirteen trillion, six hundred forty billion, sixty-three million, five hundred fifty-four thousand, one hundred thirty-two".