1368263377 has 12 divisors (see below), whose sum is σ = 1568767500. Its totient is φ = 1188715008.

The previous prime is 1368263371. The next prime is 1368263431. The reversal of 1368263377 is 7733628631.

It can be written as a sum of positive squares in 6 ways, for example, as 162715536 + 1205547841 = 12756^2 + 34721^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1368263377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1368263371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235252 + ... + 240997.

It is an arithmetic number, because the mean of its divisors is an integer number (130730625).

Almost surely, 2^1368263377 is an apocalyptic number.

1368263377 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1368263377 is a deficient number, since it is larger than the sum of its proper divisors (200504123).

1368263377 is a wasteful number, since it uses less digits than its factorization.

1368263377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476292 (or 476279 counting only the distinct ones).

The product of its digits is 762048, while the sum is 46.

The square root of 1368263377 is about 36990.0442957291. The cubic root of 1368263377 is about 1110.1710574242.

The spelling of 1368263377 in words is "one billion, three hundred sixty-eight million, two hundred sixty-three thousand, three hundred seventy-seven".