13942089 has 12 divisors (see below), whose sum is σ = 23015616. Its totient is φ = 7966872.

The previous prime is 13942087. The next prime is 13942109. The reversal of 13942089 is 98024931.

It is not a de Polignac number, because 13942089 - 2¹ = 13942087 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13942087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110589 + ... + 110714.

It is an arithmetic number, because the mean of its divisors is an integer number (1917968).

Almost surely, 2^13942089 is an apocalyptic number.

It is an amenable number.

13942089 is a deficient number, since it is larger than the sum of its proper divisors (9073527).

13942089 is a wasteful number, since it uses less digits than its factorization.

13942089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221316 (or 221313 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 13942089 is about 3733.9106845237. The cubic root of 13942089 is about 240.6814487007.

The spelling of 13942089 in words is "thirteen million, nine hundred forty-two thousand, eighty-nine".