13978401034 has 16 divisors (see below), whose sum is σ = 22791531168. Its totient is φ = 6391273392.

The previous prime is 13978400963. The next prime is 13978401037. The reversal of 13978401034 is 43010487931.

It is not an unprimeable number, because it can be changed into a prime (13978401037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2509512 + ... + 2515075.

It is an arithmetic number, because the mean of its divisors is an integer number (1424470698).

Almost surely, 2^13978401034 is an apocalyptic number.

13978401034 is a deficient number, since it is larger than the sum of its proper divisors (8813130134).

13978401034 is a wasteful number, since it uses less digits than its factorization.

13978401034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5024709.

The product of its (nonzero) digits is 72576, while the sum is 40.

Adding to 13978401034 its reverse (43010487931), we get a palindrome (56988888965).

The spelling of 13978401034 in words is "thirteen billion, nine hundred seventy-eight million, four hundred one thousand, thirty-four".