1366904913 has 16 divisors (see below), whose sum is σ = 1994716416. Its totient is φ = 825722640.

The previous prime is 1366904899. The next prime is 1366904933. The reversal of 1366904913 is 3194096631.

It is not a de Polignac number, because 1366904913 - 2¹⁴ = 1366888529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1366904933) 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 15 ways as a sum of consecutive naturals, for example, 57331 + ... + 77592.

It is an arithmetic number, because the mean of its divisors is an integer number (124669776).

Almost surely, 2^1366904913 is an apocalyptic number.

It is an amenable number.

1366904913 is a deficient number, since it is larger than the sum of its proper divisors (627811503).

1366904913 is a wasteful number, since it uses less digits than its factorization.

1366904913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135244.

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 1366904913 is about 36971.6771732092. The cubic root of 1366904913 is about 1109.8035290606.

The spelling of 1366904913 in words is "one billion, three hundred sixty-six million, nine hundred four thousand, nine hundred thirteen".