1368794528 has 24 divisors (see below), whose sum is σ = 2701766340. Its totient is φ = 682631680.

The previous prime is 1368794509. The next prime is 1368794543. The reversal of 1368794528 is 8254978631.

It can be written as a sum of positive squares in 2 ways, for example, as 1318270864 + 50523664 = 36308^2 + 7108^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1368794528.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42533 + ... + 67428.

Almost surely, 2^1368794528 is an apocalyptic number.

It is an amenable number.

1368794528 is a deficient number, since it is larger than the sum of its proper divisors (1332971812).

1368794528 is a wasteful number, since it uses less digits than its factorization.

1368794528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110360 (or 110352 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 53.

The square root of 1368794528 is about 36997.2232471573. The cubic root of 1368794528 is about 1110.3146925829.

The spelling of 1368794528 in words is "one billion, three hundred sixty-eight million, seven hundred ninety-four thousand, five hundred twenty-eight".