287295134 has 12 divisors (see below), whose sum is σ = 501300864. Its totient is φ = 123126444.

The previous prime is 287295109. The next prime is 287295149. The reversal of 287295134 is 431592782.

287295134 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 287295091 and 287295100.

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, 1465694 + ... + 1465889.

It is an arithmetic number, because the mean of its divisors is an integer number (41775072).

Almost surely, 2^287295134 is an apocalyptic number.

287295134 is a deficient number, since it is larger than the sum of its proper divisors (214005730).

287295134 is a wasteful number, since it uses less digits than its factorization.

287295134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931599 (or 2931592 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 287295134 is about 16949.7827124716. The cubic root of 287295134 is about 659.8462558937.

The spelling of 287295134 in words is "two hundred eighty-seven million, two hundred ninety-five thousand, one hundred thirty-four".