1375207660 has 12 divisors (see below), whose sum is σ = 2887936128. Its totient is φ = 550083056.

The previous prime is 1375207649. The next prime is 1375207681. The reversal of 1375207660 is 667025731.

It is a super-2 number, since 2×1375207660² = 3782392216245351200, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 34380172 + ... + 34380211.

It is an arithmetic number, because the mean of its divisors is an integer number (240661344).

Almost surely, 2^1375207660 is an apocalyptic number.

1375207660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1375207660 is an abundant number, since it is smaller than the sum of its proper divisors (1512728468).

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

1375207660 is a wasteful number, since it uses less digits than its factorization.

1375207660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68760392 (or 68760390 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 1375207660 is about 37083.7924166340. The cubic root of 1375207660 is about 1112.0460220675.

The spelling of 1375207660 in words is "one billion, three hundred seventy-five million, two hundred seven thousand, six hundred sixty".