814538542 has 16 divisors (see below), whose sum is σ = 1245196800. Its totient is φ = 399502840.

The previous prime is 814538539. The next prime is 814538567. The reversal of 814538542 is 245835418.

It is a junction number, because it is equal to n+sod(n) for n = 814538495 and 814538504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49317 + ... + 63727.

It is an arithmetic number, because the mean of its divisors is an integer number (77824800).

Almost surely, 2^814538542 is an apocalyptic number.

814538542 is a deficient number, since it is larger than the sum of its proper divisors (430658258).

814538542 is a wasteful number, since it uses less digits than its factorization.

814538542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14951.

The product of its digits is 153600, while the sum is 40.

The square root of 814538542 is about 28540.1216185215. The cubic root of 814538542 is about 933.9075354727.

The spelling of 814538542 in words is "eight hundred fourteen million, five hundred thirty-eight thousand, five hundred forty-two".