1361063403 has 12 divisors (see below), whose sum is σ = 2246834928. Its totient is φ = 777750480.

The previous prime is 1361063381. The next prime is 1361063413. The reversal of 1361063403 is 3043601631.

1361063403 is a `hidden beast` number, since 1 + 3 + 610 + 6 + 3 + 40 + 3 = 666.

It is not a de Polignac number, because 1361063403 - 2⁵ = 1361063371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1361063413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10802028 + ... + 10802153.

It is an arithmetic number, because the mean of its divisors is an integer number (187236244).

Almost surely, 2^1361063403 is an apocalyptic number.

1361063403 is a deficient number, since it is larger than the sum of its proper divisors (885771525).

1361063403 is a wasteful number, since it uses less digits than its factorization.

1361063403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21604194 (or 21604191 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 1361063403 is about 36892.5927931340. The cubic root of 1361063403 is about 1108.2203451983.

The spelling of 1361063403 in words is "one billion, three hundred sixty-one million, sixty-three thousand, four hundred three".