1349705766 has 8 divisors (see below), whose sum is σ = 2699411544. Its totient is φ = 449901920.

The previous prime is 1349705713. The next prime is 1349705783. The reversal of 1349705766 is 6675079431.

It is a happy number.

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

1349705766 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112475475 + ... + 112475486.

It is an arithmetic number, because the mean of its divisors is an integer number (337426443).

Almost surely, 2^1349705766 is an apocalyptic number.

1349705766 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1349705766 is a wasteful number, since it uses less digits than its factorization.

1349705766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224950966.

The product of its (nonzero) digits is 952560, while the sum is 48.

The square root of 1349705766 is about 36738.3419059707. The cubic root of 1349705766 is about 1105.1291498822.

The spelling of 1349705766 in words is "one billion, three hundred forty-nine million, seven hundred five thousand, seven hundred sixty-six".