1363140344 has 32 divisors (see below), whose sum is σ = 2572827840. Its totient is φ = 677068800.

The previous prime is 1363140319. The next prime is 1363140371. The reversal of 1363140344 is 4430413631.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1235297 + ... + 1236399.

It is an arithmetic number, because the mean of its divisors is an integer number (80400870).

Almost surely, 2^1363140344 is an apocalyptic number.

It is an amenable number.

1363140344 is a deficient number, since it is larger than the sum of its proper divisors (1209687496).

1363140344 is a wasteful number, since it uses less digits than its factorization.

1363140344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991 (or 1987 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 1363140344 is about 36920.7305453183. The cubic root of 1363140344 is about 1108.7837621265.

Adding to 1363140344 its reverse (4430413631), we get a palindrome (5793553975).

The spelling of 1363140344 in words is "one billion, three hundred sixty-three million, one hundred forty thousand, three hundred forty-four".