1368703845 has 16 divisors (see below), whose sum is σ = 2433251520. Its totient is φ = 729975312.

The previous prime is 1368703801. The next prime is 1368703913. The reversal of 1368703845 is 5483078631.

It is not a de Polignac number, because 1368703845 - 2¹¹ = 1368701797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1368703845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5069139 + ... + 5069408.

It is an arithmetic number, because the mean of its divisors is an integer number (152078220).

Almost surely, 2^1368703845 is an apocalyptic number.

1368703845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1368703845 is a deficient number, since it is larger than the sum of its proper divisors (1064547675).

1368703845 is a wasteful number, since it uses less digits than its factorization.

1368703845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10138561 (or 10138555 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 1368703845 is about 36995.9976889393. The cubic root of 1368703845 is about 1110.2901724939.

It can be divided in two parts, 136870 and 3845, that added together give a triangular number (140715 = T₅₃₀).

The spelling of 1368703845 in words is "one billion, three hundred sixty-eight million, seven hundred three thousand, eight hundred forty-five".