13400094538 has 16 divisors (see below), whose sum is σ = 21134177856. Its totient is φ = 6359816320.

The previous prime is 13400094517. The next prime is 13400094551. The reversal of 13400094538 is 83549000431.

It is a junction number, because it is equal to n+sod(n) for n = 13400094497 and 13400094506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1105831 + ... + 1117882.

It is an arithmetic number, because the mean of its divisors is an integer number (1320886116).

Almost surely, 2^13400094538 is an apocalyptic number.

13400094538 is a deficient number, since it is larger than the sum of its proper divisors (7734083318).

13400094538 is a wasteful number, since it uses less digits than its factorization.

13400094538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223869.

The product of its (nonzero) digits is 51840, while the sum is 37.

Adding to 13400094538 its reverse (83549000431), we get a palindrome (96949094969).

The spelling of 13400094538 in words is "thirteen billion, four hundred million, ninety-four thousand, five hundred thirty-eight".