1379866285 has 32 divisors (see below), whose sum is σ = 2027918592. Its totient is φ = 879774720.

The previous prime is 1379866283. The next prime is 1379866291. The reversal of 1379866285 is 5826689731.

It is not a de Polignac number, because 1379866285 - 2¹ = 1379866283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379866283) 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 31 ways as a sum of consecutive naturals, for example, 35415 + ... + 63355.

It is an arithmetic number, because the mean of its divisors is an integer number (63372456).

Almost surely, 2^1379866285 is an apocalyptic number.

It is an amenable number.

1379866285 is a deficient number, since it is larger than the sum of its proper divisors (648052307).

1379866285 is a wasteful number, since it uses less digits than its factorization.

1379866285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28053.

The product of its digits is 4354560, while the sum is 55.

The square root of 1379866285 is about 37146.5514550140. The cubic root of 1379866285 is about 1113.3003214800.

The spelling of 1379866285 in words is "one billion, three hundred seventy-nine million, eight hundred sixty-six thousand, two hundred eighty-five".