1385358056 has 8 divisors (see below), whose sum is σ = 2597546370. Its totient is φ = 692679024.

The previous prime is 1385358049. The next prime is 1385358059. The reversal of 1385358056 is 6508535831.

It can be written as a sum of positive squares in only one way, i.e., 1207562500 + 177795556 = 34750^2 + 13334^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1385357998 and 1385358016.

It is not an unprimeable number, because it can be changed into a prime (1385358059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86584871 + ... + 86584886.

Almost surely, 2^1385358056 is an apocalyptic number.

It is an amenable number.

1385358056 is a deficient number, since it is larger than the sum of its proper divisors (1212188314).

1385358056 is a wasteful number, since it uses less digits than its factorization.

1385358056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173169763 (or 173169759 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 44.

The square root of 1385358056 is about 37220.3983858314. The cubic root of 1385358056 is about 1114.7753188013.

The spelling of 1385358056 in words is "one billion, three hundred eighty-five million, three hundred fifty-eight thousand, fifty-six".