1397105168 has 10 divisors (see below), whose sum is σ = 2706891294. Its totient is φ = 698552576.

The previous prime is 1397105167. The next prime is 1397105183. The reversal of 1397105168 is 8615017931.

It can be written as a sum of positive squares in only one way, i.e., 1374333184 + 22771984 = 37072^2 + 4772^2 .

It is not an unprimeable number, because it can be changed into a prime (1397105167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43659521 + ... + 43659552.

Almost surely, 2^1397105168 is an apocalyptic number.

It is an amenable number.

1397105168 is a deficient number, since it is larger than the sum of its proper divisors (1309786126).

1397105168 is an equidigital number, since it uses as much as digits as its factorization.

1397105168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87319081 (or 87319075 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 1397105168 is about 37377.8700302733. The cubic root of 1397105168 is about 1117.9173584671.

The spelling of 1397105168 in words is "one billion, three hundred ninety-seven million, one hundred five thousand, one hundred sixty-eight".