1349661576 has 32 divisors (see below), whose sum is σ = 3393668160. Its totient is φ = 447285312.

The previous prime is 1349661557. The next prime is 1349661613. The reversal of 1349661576 is 6751669431.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158380 + ... + 166683.

It is an arithmetic number, because the mean of its divisors is an integer number (106052130).

Almost surely, 2^1349661576 is an apocalyptic number.

It is an amenable number.

1349661576 is an abundant number, since it is smaller than the sum of its proper divisors (2044006584).

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

1349661576 is a wasteful number, since it uses less digits than its factorization.

1349661576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325245 (or 325241 counting only the distinct ones).

The product of its digits is 816480, while the sum is 48.

The square root of 1349661576 is about 36737.7404857729. The cubic root of 1349661576 is about 1105.1170889349.

The spelling of 1349661576 in words is "one billion, three hundred forty-nine million, six hundred sixty-one thousand, five hundred seventy-six".