286500134 has 4 divisors (see below), whose sum is σ = 429750204. Its totient is φ = 143250066.

The previous prime is 286500127. The next prime is 286500157. The reversal of 286500134 is 431005682.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431005682 = 2 ⋅215502841.

It is a junction number, because it is equal to n+sod(n) for n = 286500097 and 286500106.

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, 71625032 + ... + 71625035.

It is an arithmetic number, because the mean of its divisors is an integer number (107437551).

Almost surely, 2^286500134 is an apocalyptic number.

286500134 is a deficient number, since it is larger than the sum of its proper divisors (143250070).

286500134 is a wasteful number, since it uses less digits than its factorization.

286500134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143250069.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 286500134 is about 16926.3148381448. The cubic root of 286500134 is about 659.2370538047.

The spelling of 286500134 in words is "two hundred eighty-six million, five hundred thousand, one hundred thirty-four".