18768134 has 32 divisors (see below), whose sum is σ = 35859456. Its totient is φ = 7153920.

The previous prime is 18768103. The next prime is 18768137. The reversal of 18768134 is 43186781.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18768137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5942 + ... + 8534.

It is an arithmetic number, because the mean of its divisors is an integer number (1120608).

Almost surely, 2^18768134 is an apocalyptic number.

18768134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18768134 is a deficient number, since it is larger than the sum of its proper divisors (17091322).

18768134 is a wasteful number, since it uses less digits than its factorization.

18768134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660.

The product of its digits is 32256, while the sum is 38.

The square root of 18768134 is about 4332.2204468379. The cubic root of 18768134 is about 265.7502602576.

The spelling of 18768134 in words is "eighteen million, seven hundred sixty-eight thousand, one hundred thirty-four".