1363431260 has 96 divisors (see below), whose sum is σ = 3162378240. Its totient is φ = 491470848.

The previous prime is 1363431239. The next prime is 1363431269. The reversal of 1363431260 is 621343631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1363431269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2245877 + ... + 2246483.

It is an arithmetic number, because the mean of its divisors is an integer number (32941440).

Almost surely, 2^1363431260 is an apocalyptic number.

1363431260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1363431260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1581189120).

1363431260 is an abundant number, since it is smaller than the sum of its proper divisors (1798946980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1363431260 is a wasteful number, since it uses less digits than its factorization.

1363431260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 1363431260 is about 36924.6700730013. The cubic root of 1363431260 is about 1108.8626339253.

Adding to 1363431260 its reverse (621343631), we get a palindrome (1984774891).

The spelling of 1363431260 in words is "one billion, three hundred sixty-three million, four hundred thirty-one thousand, two hundred sixty".