1309411966 has 8 divisors (see below), whose sum is σ = 1986186960. Its totient is φ = 647349648.

The previous prime is 1309411951. The next prime is 1309411967. The reversal of 1309411966 is 6691149031.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1309411967) 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, 3677946 + ... + 3678301.

It is an arithmetic number, because the mean of its divisors is an integer number (248273370).

Almost surely, 2^1309411966 is an apocalyptic number.

1309411966 is a deficient number, since it is larger than the sum of its proper divisors (676774994).

1309411966 is an equidigital number, since it uses as much as digits as its factorization.

1309411966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7356338.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 1309411966 is about 36185.7978494326. The cubic root of 1309411966 is about 1094.0204373947.

The spelling of 1309411966 in words is "one billion, three hundred nine million, four hundred eleven thousand, nine hundred sixty-six".