1371669968 has 10 divisors (see below), whose sum is σ = 2657610594. Its totient is φ = 685834976.

The previous prime is 1371669967. The next prime is 1371669979. The reversal of 1371669968 is 8699661731.

It can be written as a sum of positive squares in only one way, i.e., 1211596864 + 160073104 = 34808^2 + 12652^2 .

It is a super-2 number, since 2×1371669968² = 3762957002226242048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371669961) 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 as a sum of consecutive naturals, namely, 42864671 + ... + 42864702.

Almost surely, 2^1371669968 is an apocalyptic number.

It is an amenable number.

1371669968 is a deficient number, since it is larger than the sum of its proper divisors (1285940626).

1371669968 is an equidigital number, since it uses as much as digits as its factorization.

1371669968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85729381 (or 85729375 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 56.

The square root of 1371669968 is about 37036.0630737124. The cubic root of 1371669968 is about 1111.0916317592.

The spelling of 1371669968 in words is "one billion, three hundred seventy-one million, six hundred sixty-nine thousand, nine hundred sixty-eight".