1351229568 has 64 divisors (see below), whose sum is σ = 3865310400. Its totient is φ = 415761408.

The previous prime is 1351229443. The next prime is 1351229687. The reversal of 1351229568 is 8659221531.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130348 + ... + 140331.

It is an arithmetic number, because the mean of its divisors is an integer number (60395475).

Almost surely, 2^1351229568 is an apocalyptic number.

It is an amenable number.

1351229568 is an abundant number, since it is smaller than the sum of its proper divisors (2514080832).

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

1351229568 is a wasteful number, since it uses less digits than its factorization.

1351229568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270709 (or 270697 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The square root of 1351229568 is about 36759.0746347075. The cubic root of 1351229568 is about 1105.5448860894.

The spelling of 1351229568 in words is "one billion, three hundred fifty-one million, two hundred twenty-nine thousand, five hundred sixty-eight".