1036668939 has 4 divisors (see below), whose sum is σ = 1382225256. Its totient is φ = 691112624.

The previous prime is 1036668931. The next prime is 1036668947. The reversal of 1036668939 is 9398666301.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1036668931) and next prime (1036668947).

It is a cyclic number.

It is not a de Polignac number, because 1036668939 - 2³ = 1036668931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1036668891 and 1036668900.

It is not an unprimeable number, because it can be changed into a prime (1036668931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172778154 + ... + 172778159.

It is an arithmetic number, because the mean of its divisors is an integer number (345556314).

Almost surely, 2^1036668939 is an apocalyptic number.

1036668939 is a deficient number, since it is larger than the sum of its proper divisors (345556317).

1036668939 is an equidigital number, since it uses as much as digits as its factorization.

1036668939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345556316.

The product of its (nonzero) digits is 1259712, while the sum is 51.

The square root of 1036668939 is about 32197.3436637248. The cubic root of 1036668939 is about 1012.0765495246.

The spelling of 1036668939 in words is "one billion, thirty-six million, six hundred sixty-eight thousand, nine hundred thirty-nine".