13920306854 has 4 divisors (see below), whose sum is σ = 20880460284. Its totient is φ = 6960153426.

The previous prime is 13920306817. The next prime is 13920306857. The reversal of 13920306854 is 45860302931.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13920306857) by changing a digit.

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 as a sum of consecutive naturals, namely, 3480076712 + ... + 3480076715.

It is an arithmetic number, because the mean of its divisors is an integer number (5220115071).

Almost surely, 2^13920306854 is an apocalyptic number.

13920306854 is a deficient number, since it is larger than the sum of its proper divisors (6960153430).

13920306854 is an equidigital number, since it uses as much as digits as its factorization.

13920306854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6960153429.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 13920306854 in words is "thirteen billion, nine hundred twenty million, three hundred six thousand, eight hundred fifty-four".