814126187 has 4 divisors (see below), whose sum is σ = 930429936. Its totient is φ = 697822440.

The previous prime is 814126139. The next prime is 814126213. The reversal of 814126187 is 781621418.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 814126187 - 2²⁸ = 545690731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 814126187.

It is not an unprimeable number, because it can be changed into a prime (814126487) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 58151864 + ... + 58151877.

It is an arithmetic number, because the mean of its divisors is an integer number (232607484).

Almost surely, 2^814126187 is an apocalyptic number.

814126187 is a deficient number, since it is larger than the sum of its proper divisors (116303749).

814126187 is a wasteful number, since it uses less digits than its factorization.

814126187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116303748.

The product of its digits is 21504, while the sum is 38.

The square root of 814126187 is about 28532.8965757071. The cubic root of 814126187 is about 933.7499139381.

The spelling of 814126187 in words is "eight hundred fourteen million, one hundred twenty-six thousand, one hundred eighty-seven".