1361291768 has 16 divisors (see below), whose sum is σ = 2552904000. Its totient is φ = 680517376.

The previous prime is 1361291759. The next prime is 1361291797. The reversal of 1361291768 is 8671921631.

It is a congruent number.

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, 40793 + ... + 66231.

It is an arithmetic number, because the mean of its divisors is an integer number (159556500).

Almost surely, 2^1361291768 is an apocalyptic number.

It is an amenable number.

1361291768 is a deficient number, since it is larger than the sum of its proper divisors (1191612232).

1361291768 is a wasteful number, since it uses less digits than its factorization.

1361291768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32134 (or 32130 counting only the distinct ones).

The product of its digits is 108864, while the sum is 44.

The square root of 1361291768 is about 36895.6876612972. The cubic root of 1361291768 is about 1108.2823223713.

The spelling of 1361291768 in words is "one billion, three hundred sixty-one million, two hundred ninety-one thousand, seven hundred sixty-eight".