13775157 has 16 divisors (see below), whose sum is σ = 22263360. Its totient is φ = 8348400.

The previous prime is 13775149. The next prime is 13775159. The reversal of 13775157 is 75157731.

It is a happy number.

13775157 is a `hidden beast` number, since 137 + 7 + 515 + 7 = 666.

It is not a de Polignac number, because 13775157 - 2³ = 13775149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13775159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22894 + ... + 23487.

It is an arithmetic number, because the mean of its divisors is an integer number (1391460).

Almost surely, 2^13775157 is an apocalyptic number.

It is an amenable number.

13775157 is a deficient number, since it is larger than the sum of its proper divisors (8488203).

13775157 is a wasteful number, since it uses less digits than its factorization.

13775157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46401 (or 46395 counting only the distinct ones).

The product of its digits is 25725, while the sum is 36.

The square root of 13775157 is about 3711.4898625754. The cubic root of 13775157 is about 239.7170102010.

The spelling of 13775157 in words is "thirteen million, seven hundred seventy-five thousand, one hundred fifty-seven".