1363226788 has 48 divisors (see below), whose sum is σ = 2981075328. Its totient is φ = 529920000.

The previous prime is 1363226773. The next prime is 1363226791. The reversal of 1363226788 is 8876223631.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137188 + ... + 146788.

It is an arithmetic number, because the mean of its divisors is an integer number (62105736).

Almost surely, 2^1363226788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1363226788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1490537664).

1363226788 is an abundant number, since it is smaller than the sum of its proper divisors (1617848540).

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

1363226788 is a wasteful number, since it uses less digits than its factorization.

1363226788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10084 (or 10082 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 1363226788 is about 36921.9011969861. The cubic root of 1363226788 is about 1108.8071995952.

The spelling of 1363226788 in words is "one billion, three hundred sixty-three million, two hundred twenty-six thousand, seven hundred eighty-eight".