1369147966 has 4 divisors (see below), whose sum is σ = 2053721952. Its totient is φ = 684573982.

The previous prime is 1369147957. The next prime is 1369147987. The reversal of 1369147966 is 6697419631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6697419631 = 7 ⋅956774233.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342286990 + ... + 342286993.

It is an arithmetic number, because the mean of its divisors is an integer number (513430488).

Almost surely, 2^1369147966 is an apocalyptic number.

1369147966 is a deficient number, since it is larger than the sum of its proper divisors (684573986).

1369147966 is an equidigital number, since it uses as much as digits as its factorization.

1369147966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684573985.

The product of its digits is 1469664, while the sum is 52.

The square root of 1369147966 is about 37001.9994865142. Note that the first 3 decimals coincide. The cubic root of 1369147966 is about 1110.4102495675.

The spelling of 1369147966 in words is "one billion, three hundred sixty-nine million, one hundred forty-seven thousand, nine hundred sixty-six".