1390563063 has 24 divisors (see below), whose sum is σ = 2080880256. Its totient is φ = 893894400.

The previous prime is 1390563043. The next prime is 1390563071. The reversal of 1390563063 is 3603650931.

1390563063 is a `hidden beast` number, since 1 + 3 + 90 + 563 + 0 + 6 + 3 = 666.

It is not a de Polignac number, because 1390563063 - 2¹³ = 1390554871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390563043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69531 + ... + 87267.

It is an arithmetic number, because the mean of its divisors is an integer number (86703344).

Almost surely, 2^1390563063 is an apocalyptic number.

1390563063 is a deficient number, since it is larger than the sum of its proper divisors (690317193).

1390563063 is a wasteful number, since it uses less digits than its factorization.

1390563063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18055 (or 18052 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 36.

The square root of 1390563063 is about 37290.2542630109. The cubic root of 1390563063 is about 1116.1697023892.

It can be divided in two parts, 1390 and 563063, that added together give a triangular number (564453 = T₁₀₆₂).

The spelling of 1390563063 in words is "one billion, three hundred ninety million, five hundred sixty-three thousand, sixty-three".