13894157 has 2 divisors, whose sum is σ = 13894158. Its totient is φ = 13894156.

The previous prime is 13894123. The next prime is 13894189. The reversal of 13894157 is 75149831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11874916 + 2019241 = 3446^2 + 1421^2 .

It is a cyclic number.

It is not a de Polignac number, because 13894157 - 2¹⁰ = 13893133 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13894157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13894357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6947078 + 6947079.

It is an arithmetic number, because the mean of its divisors is an integer number (6947079).

Almost surely, 2^13894157 is an apocalyptic number.

It is an amenable number.

13894157 is a deficient number, since it is larger than the sum of its proper divisors (1).

13894157 is an equidigital number, since it uses as much as digits as its factorization.

13894157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 38.

The square root of 13894157 is about 3727.4866867636. The cubic root of 13894157 is about 240.4053162668.

The spelling of 13894157 in words is "thirteen million, eight hundred ninety-four thousand, one hundred fifty-seven".