18761134 has 16 divisors (see below), whose sum is σ = 32219136. Its totient is φ = 8026200.

The previous prime is 18761129. The next prime is 18761143. The reversal of 18761134 is 43116781.

It is a junction number, because it is equal to n+sod(n) for n = 18761096 and 18761105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12019 + ... + 13489.

It is an arithmetic number, because the mean of its divisors is an integer number (2013696).

Almost surely, 2^18761134 is an apocalyptic number.

18761134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18761134 is a deficient number, since it is larger than the sum of its proper divisors (13458002).

18761134 is a wasteful number, since it uses less digits than its factorization.

18761134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391.

The product of its digits is 4032, while the sum is 31.

The square root of 18761134 is about 4331.4124717002. The cubic root of 18761134 is about 265.7172169594.

The spelling of 18761134 in words is "eighteen million, seven hundred sixty-one thousand, one hundred thirty-four".