1368437792 has 12 divisors (see below), whose sum is σ = 2694111966. Its totient is φ = 684218880.

The previous prime is 1368437783. The next prime is 1368437801. The reversal of 1368437792 is 2977348631.

It is an interprime number because it is at equal distance from previous prime (1368437783) and next prime (1368437801).

It can be written as a sum of positive squares in only one way, i.e., 1278491536 + 89946256 = 35756^2 + 9484^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1368437792.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21381809 + ... + 21381872.

Almost surely, 2^1368437792 is an apocalyptic number.

It is an amenable number.

1368437792 is a deficient number, since it is larger than the sum of its proper divisors (1325674174).

1368437792 is an equidigital number, since it uses as much as digits as its factorization.

1368437792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42763691 (or 42763683 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 50.

The square root of 1368437792 is about 36992.4018144267. The cubic root of 1368437792 is about 1110.2182272555.

The spelling of 1368437792 in words is "one billion, three hundred sixty-eight million, four hundred thirty-seven thousand, seven hundred ninety-two".