1348764385 has 4 divisors (see below), whose sum is σ = 1618517268. Its totient is φ = 1079011504.

The previous prime is 1348764383. The next prime is 1348764407. The reversal of 1348764385 is 5834678431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 150773841 + 1197990544 = 12279^2 + 34612^2 .

It is a cyclic number.

It is not a de Polignac number, because 1348764385 - 2¹ = 1348764383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1348764383) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 134876434 + ... + 134876443.

It is an arithmetic number, because the mean of its divisors is an integer number (404629317).

Almost surely, 2^1348764385 is an apocalyptic number.

It is an amenable number.

1348764385 is a deficient number, since it is larger than the sum of its proper divisors (269752883).

1348764385 is an equidigital number, since it uses as much as digits as its factorization.

1348764385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269752882.

The product of its digits is 1935360, while the sum is 49.

The square root of 1348764385 is about 36725.5277021311. The cubic root of 1348764385 is about 1104.8721581795.

The spelling of 1348764385 in words is "one billion, three hundred forty-eight million, seven hundred sixty-four thousand, three hundred eighty-five".