814128534 has 12 divisors (see below), whose sum is σ = 1763945196. Its totient is φ = 271376172.

The previous prime is 814128527. The next prime is 814128563. The reversal of 814128534 is 435821418.

814128534 is a `hidden beast` number, since 81 + 41 + 2 + 8 + 534 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22614664 + ... + 22614699.

It is an arithmetic number, because the mean of its divisors is an integer number (146995433).

Almost surely, 2^814128534 is an apocalyptic number.

814128534 is an abundant number, since it is smaller than the sum of its proper divisors (949816662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

814128534 is a wasteful number, since it uses less digits than its factorization.

814128534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45229371 (or 45229368 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 814128534 is about 28532.9377036435. The cubic root of 814128534 is about 933.7508112228.

The spelling of 814128534 in words is "eight hundred fourteen million, one hundred twenty-eight thousand, five hundred thirty-four".