1366311879 has 12 divisors (see below), whose sum is σ = 2089653696. Its totient is φ = 857293632.

The previous prime is 1366311871. The next prime is 1366311883. The reversal of 1366311879 is 9781136631.

1366311879 is a `hidden beast` number, since 1 + 3 + 6 + 631 + 1 + 8 + 7 + 9 = 666.

It is not a de Polignac number, because 1366311879 - 2³ = 1366311871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366311871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4464919 + ... + 4465224.

It is an arithmetic number, because the mean of its divisors is an integer number (174137808).

Almost surely, 2^1366311879 is an apocalyptic number.

1366311879 is a deficient number, since it is larger than the sum of its proper divisors (723341817).

1366311879 is a wasteful number, since it uses less digits than its factorization.

1366311879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8930166 (or 8930163 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 1366311879 is about 36963.6561909127. The cubic root of 1366311879 is about 1109.6430091340.

The spelling of 1366311879 in words is "one billion, three hundred sixty-six million, three hundred eleven thousand, eight hundred seventy-nine".