1382357072 has 10 divisors (see below), whose sum is σ = 2678316858. Its totient is φ = 691178528.

The previous prime is 1382357069. The next prime is 1382357083. The reversal of 1382357072 is 2707532831.

It can be written as a sum of positive squares in only one way, i.e., 811338256 + 571018816 = 28484^2 + 23896^2 .

It is a super-2 number, since 2×1382357072² = 3821822149016826368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 43198643 + ... + 43198674.

Almost surely, 2^1382357072 is an apocalyptic number.

It is an amenable number.

1382357072 is a deficient number, since it is larger than the sum of its proper divisors (1295959786).

1382357072 is an equidigital number, since it uses as much as digits as its factorization.

1382357072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86397325 (or 86397319 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 1382357072 is about 37180.0628294251. The cubic root of 1382357072 is about 1113.9697890377.

The spelling of 1382357072 in words is "one billion, three hundred eighty-two million, three hundred fifty-seven thousand, seventy-two".