1349717760 has 108 divisors (see below), whose sum is σ = 4669922712. Its totient is φ = 359921664.

The previous prime is 1349717749. The next prime is 1349717777. The reversal of 1349717760 is 677179431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47062 + ... + 70101.

Almost surely, 2^1349717760 is an apocalyptic number.

1349717760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1349717760 is an abundant number, since it is smaller than the sum of its proper divisors (3320204952).

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

1349717760 is a wasteful number, since it uses less digits than its factorization.

1349717760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117190 (or 117173 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The square root of 1349717760 is about 36738.5051410642. The cubic root of 1349717760 is about 1105.1324234055.

The spelling of 1349717760 in words is "one billion, three hundred forty-nine million, seven hundred seventeen thousand, seven hundred sixty".