1366462939 has 8 divisors (see below), whose sum is σ = 1376968320. Its totient is φ = 1355990400.

The previous prime is 1366462871. The next prime is 1366462943. The reversal of 1366462939 is 9392646631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1366462939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1366462892 and 1366462901.

It is not an unprimeable number, because it can be changed into a prime (1366462739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78819 + ... + 94579.

It is an arithmetic number, because the mean of its divisors is an integer number (172121040).

Almost surely, 2^1366462939 is an apocalyptic number.

1366462939 is a deficient number, since it is larger than the sum of its proper divisors (10505381).

1366462939 is a wasteful number, since it uses less digits than its factorization.

1366462939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16421.

The product of its digits is 1259712, while the sum is 49.

The square root of 1366462939 is about 36965.6994929083. The cubic root of 1366462939 is about 1109.6839018219.

The spelling of 1366462939 in words is "one billion, three hundred sixty-six million, four hundred sixty-two thousand, nine hundred thirty-nine".