285929134 has 4 divisors (see below), whose sum is σ = 428893704. Its totient is φ = 142964566.

The previous prime is 285929093. The next prime is 285929159. The reversal of 285929134 is 431929582.

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

It is a super-3 number, since 3×285929134³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71482282 + ... + 71482285.

It is an arithmetic number, because the mean of its divisors is an integer number (107223426).

Almost surely, 2^285929134 is an apocalyptic number.

285929134 is a deficient number, since it is larger than the sum of its proper divisors (142964570).

285929134 is a wasteful number, since it uses less digits than its factorization.

285929134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142964569.

The product of its digits is 155520, while the sum is 43.

The square root of 285929134 is about 16909.4391982703. The cubic root of 285929134 is about 658.7988053669.

The spelling of 285929134 in words is "two hundred eighty-five million, nine hundred twenty-nine thousand, one hundred thirty-four".