1387027286 has 8 divisors (see below), whose sum is σ = 2080770120. Its totient is φ = 693437248.

The previous prime is 1387027277. The next prime is 1387027309. The reversal of 1387027286 is 6827207831.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11876 + ... + 53991.

It is an arithmetic number, because the mean of its divisors is an integer number (260096265).

Almost surely, 2^1387027286 is an apocalyptic number.

1387027286 is a deficient number, since it is larger than the sum of its proper divisors (693742834).

1387027286 is a wasteful number, since it uses less digits than its factorization.

1387027286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76398.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 1387027286 is about 37242.8152265642. The cubic root of 1387027286 is about 1115.2228732623. Note that the first 3 decimals are identical.

The spelling of 1387027286 in words is "one billion, three hundred eighty-seven million, twenty-seven thousand, two hundred eighty-six".