285136294 has 8 divisors (see below), whose sum is σ = 442452960. Its totient is φ = 137651976.

The previous prime is 285136283. The next prime is 285136297. The reversal of 285136294 is 492631582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285136297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2458014 + ... + 2458129.

It is an arithmetic number, because the mean of its divisors is an integer number (55306620).

Almost surely, 2^285136294 is an apocalyptic number.

285136294 is a deficient number, since it is larger than the sum of its proper divisors (157316666).

285136294 is a wasteful number, since it uses less digits than its factorization.

285136294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4916174.

The product of its digits is 103680, while the sum is 40.

The square root of 285136294 is about 16885.9792135369. The cubic root of 285136294 is about 658.1893238530.

The spelling of 285136294 in words is "two hundred eighty-five million, one hundred thirty-six thousand, two hundred ninety-four".