13400065396 has 12 divisors (see below), whose sum is σ = 23476677952. Its totient is φ = 6692443128.

The previous prime is 13400065391. The next prime is 13400065403. The reversal of 13400065396 is 69356000431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13400065391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1893420 + ... + 1900483.

Almost surely, 2^13400065396 is an apocalyptic number.

It is an amenable number.

13400065396 is a deficient number, since it is larger than the sum of its proper divisors (10076612556).

13400065396 is a wasteful number, since it uses less digits than its factorization.

13400065396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3794790 (or 3794788 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 37.

It can be divided in two parts, 134000 and 65396, that added together give a triangular number (199396 = T₆₃₁).

The spelling of 13400065396 in words is "thirteen billion, four hundred million, sixty-five thousand, three hundred ninety-six".