1351136268 has 144 divisors (see below), whose sum is σ = 3778457760. Its totient is φ = 417374208.

The previous prime is 1351136243. The next prime is 1351136273. The reversal of 1351136268 is 8626311531.

1351136268 is a `hidden beast` number, since 13 + 5 + 1 + 13 + 626 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2278180 + ... + 2278772.

It is an arithmetic number, because the mean of its divisors is an integer number (26239290).

Almost surely, 2^1351136268 is an apocalyptic number.

1351136268 is a gapful number since it is divisible by the number (18) 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 1351136268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1889228880).

1351136268 is an abundant number, since it is smaller than the sum of its proper divisors (2427321492).

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

1351136268 is a wasteful number, since it uses less digits than its factorization.

1351136268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 688 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 1351136268 is about 36757.8055384159. The cubic root of 1351136268 is about 1105.5194402006.

Adding to 1351136268 its reverse (8626311531), we get a palindrome (9977447799).

The spelling of 1351136268 in words is "one billion, three hundred fifty-one million, one hundred thirty-six thousand, two hundred sixty-eight".