13764157 has 4 divisors (see below), whose sum is σ = 15015456. Its totient is φ = 12512860.

The previous prime is 13764137. The next prime is 13764167. The reversal of 13764157 is 75146731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13764157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13764137) 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 3 ways as a sum of consecutive naturals, for example, 625633 + ... + 625654.

It is an arithmetic number, because the mean of its divisors is an integer number (3753864).

Almost surely, 2^13764157 is an apocalyptic number.

It is an amenable number.

13764157 is a deficient number, since it is larger than the sum of its proper divisors (1251299).

13764157 is a wasteful number, since it uses less digits than its factorization.

13764157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251298.

The product of its digits is 17640, while the sum is 34.

The square root of 13764157 is about 3710.0076819327. The cubic root of 13764157 is about 239.6531854158.

The spelling of 13764157 in words is "thirteen million, seven hundred sixty-four thousand, one hundred fifty-seven".