1371971268 has 36 divisors (see below), whose sum is σ = 3476124288. Its totient is φ = 456257520.

The previous prime is 1371971207. The next prime is 1371971291. The reversal of 1371971268 is 8621791731.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28696 + ... + 59727.

It is an arithmetic number, because the mean of its divisors is an integer number (96559008).

Almost surely, 2^1371971268 is an apocalyptic number.

1371971268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1371971268 is an abundant number, since it is smaller than the sum of its proper divisors (2104153020).

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

1371971268 is a wasteful number, since it uses less digits than its factorization.

1371971268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88864 (or 88859 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 1371971268 is about 37040.1305073295. The cubic root of 1371971268 is about 1111.1729796557.

The spelling of 1371971268 in words is "one billion, three hundred seventy-one million, nine hundred seventy-one thousand, two hundred sixty-eight".