13640001364 has 36 divisors (see below), whose sum is σ = 27083668864. Its totient is φ = 5999994000.

The previous prime is 13640001359. The next prime is 13640001367. The reversal of 13640001364 is 46310004631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13640001367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 439542 + ... + 469549.

Almost surely, 2^13640001364 is an apocalyptic number.

It is an amenable number.

13640001364 is a deficient number, since it is larger than the sum of its proper divisors (13443667500).

13640001364 is a wasteful number, since it uses less digits than its factorization.

13640001364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909148 (or 909135 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 13640001364 its reverse (46310004631), we get a palindrome (59950005995).

The spelling of 13640001364 in words is "thirteen billion, six hundred forty million, one thousand, three hundred sixty-four".