14137857 has 6 divisors (see below), whose sum is σ = 20421362. Its totient is φ = 9425232.

The previous prime is 14137853. The next prime is 14137859. The reversal of 14137857 is 75873141.

14137857 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9511056 + 4626801 = 3084^2 + 2151^2 .

It is not a de Polignac number, because 14137857 - 2² = 14137853 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14137853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 785428 + ... + 785445.

Almost surely, 2^14137857 is an apocalyptic number.

It is an amenable number.

14137857 is a deficient number, since it is larger than the sum of its proper divisors (6283505).

14137857 is a wasteful number, since it uses less digits than its factorization.

14137857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570879 (or 1570876 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 14137857 is about 3760.0341753766. The cubic root of 14137857 is about 241.8027272401.

The spelling of 14137857 in words is "fourteen million, one hundred thirty-seven thousand, eight hundred fifty-seven".