286055139 has 8 divisors (see below), whose sum is σ = 381993552. Its totient is φ = 190410080.

The previous prime is 286055053. The next prime is 286055153. The reversal of 286055139 is 931550682.

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

It is a cyclic number.

It is not a de Polignac number, because 286055139 - 2⁸ = 286054883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 286055097 and 286055106.

It is not an unprimeable number, because it can be changed into a prime (286055239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71052 + ... + 74969.

It is an arithmetic number, because the mean of its divisors is an integer number (47749194).

Almost surely, 2^286055139 is an apocalyptic number.

286055139 is a deficient number, since it is larger than the sum of its proper divisors (95938413).

286055139 is a wasteful number, since it uses less digits than its factorization.

286055139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146677.

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 286055139 is about 16913.1646654315. The cubic root of 286055139 is about 658.8955656506.

The spelling of 286055139 in words is "two hundred eighty-six million, fifty-five thousand, one hundred thirty-nine".