1348856757 has 12 divisors (see below), whose sum is σ = 1949127180. Its totient is φ = 898878528.

The previous prime is 1348856749. The next prime is 1348856767. The reversal of 1348856757 is 7576588431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1304220996 + 44635761 = 36114^2 + 6681^2 .

It is not a de Polignac number, because 1348856757 - 2³ = 1348856749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1348856737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5082 + ... + 52187.

It is an arithmetic number, because the mean of its divisors is an integer number (162427265).

Almost surely, 2^1348856757 is an apocalyptic number.

It is an amenable number.

1348856757 is a deficient number, since it is larger than the sum of its proper divisors (600270423).

1348856757 is a wasteful number, since it uses less digits than its factorization.

1348856757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59892 (or 59889 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 54.

The square root of 1348856757 is about 36726.7852799561. The cubic root of 1348856757 is about 1104.8973805045.

The spelling of 1348856757 in words is "one billion, three hundred forty-eight million, eight hundred fifty-six thousand, seven hundred fifty-seven".