1356271972 has 12 divisors (see below), whose sum is σ = 2589246576. Its totient is φ = 616487240.

The previous prime is 1356271949. The next prime is 1356271993. The reversal of 1356271972 is 2791726531.

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, 15412138 + ... + 15412225.

It is an arithmetic number, because the mean of its divisors is an integer number (215770548).

Almost surely, 2^1356271972 is an apocalyptic number.

It is an amenable number.

1356271972 is a deficient number, since it is larger than the sum of its proper divisors (1232974604).

1356271972 is a wasteful number, since it uses less digits than its factorization.

1356271972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30824378 (or 30824376 counting only the distinct ones).

The product of its digits is 158760, while the sum is 43.

The square root of 1356271972 is about 36827.5979667423. The cubic root of 1356271972 is about 1106.9183719252.

The spelling of 1356271972 in words is "one billion, three hundred fifty-six million, two hundred seventy-one thousand, nine hundred seventy-two".