1397271332 has 24 divisors (see below), whose sum is σ = 2489700864. Its totient is φ = 685995552.

The previous prime is 1397271331. The next prime is 1397271353. The reversal of 1397271332 is 2331727931.

It is not an unprimeable number, because it can be changed into a prime (1397271331) by changing a digit.

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, 76733 + ... + 93179.

It is an arithmetic number, because the mean of its divisors is an integer number (103737536).

Almost surely, 2^1397271332 is an apocalyptic number.

It is an amenable number.

1397271332 is a deficient number, since it is larger than the sum of its proper divisors (1092429532).

1397271332 is a wasteful number, since it uses less digits than its factorization.

1397271332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16835 (or 16833 counting only the distinct ones).

The product of its digits is 47628, while the sum is 38.

The square root of 1397271332 is about 37380.0927232665. The cubic root of 1397271332 is about 1117.9616763563.

The spelling of 1397271332 in words is "one billion, three hundred ninety-seven million, two hundred seventy-one thousand, three hundred thirty-two".