285126694 has 4 divisors (see below), whose sum is σ = 427690044. Its totient is φ = 142563346.

The previous prime is 285126691. The next prime is 285126701. The reversal of 285126694 is 496621582.

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

It is a self number, because there is not a number n which added to its sum of digits gives 285126694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285126691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71281672 + ... + 71281675.

It is an arithmetic number, because the mean of its divisors is an integer number (106922511).

Almost surely, 2^285126694 is an apocalyptic number.

285126694 is a deficient number, since it is larger than the sum of its proper divisors (142563350).

285126694 is a wasteful number, since it uses less digits than its factorization.

285126694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142563349.

The product of its digits is 207360, while the sum is 43.

The square root of 285126694 is about 16885.6949516447. The cubic root of 285126694 is about 658.1819371067.

The spelling of 285126694 in words is "two hundred eighty-five million, one hundred twenty-six thousand, six hundred ninety-four".