1375844264 has 32 divisors (see below), whose sum is σ = 2760016800. Its totient is φ = 641027520.

The previous prime is 1375844251. The next prime is 1375844287. The reversal of 1375844264 is 4624485731.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64922 + ... + 83465.

It is an arithmetic number, because the mean of its divisors is an integer number (86250525).

Almost surely, 2^1375844264 is an apocalyptic number.

It is an amenable number.

1375844264 is an abundant number, since it is smaller than the sum of its proper divisors (1384172536).

1375844264 is a wasteful number, since it uses less digits than its factorization.

1375844264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148473 (or 148469 counting only the distinct ones).

The product of its digits is 645120, while the sum is 44.

The square root of 1375844264 is about 37092.3747419871. The cubic root of 1375844264 is about 1112.2175897894.

The spelling of 1375844264 in words is "one billion, three hundred seventy-five million, eight hundred forty-four thousand, two hundred sixty-four".