1345627636 has 12 divisors (see below), whose sum is σ = 2356742500. Its totient is φ = 672272640.

The previous prime is 1345627603. The next prime is 1345627643. The reversal of 1345627636 is 6367265431.

It can be written as a sum of positive squares in 2 ways, for example, as 688012900 + 657614736 = 26230^2 + 25644^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1345627592 and 1345627601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129675 + ... + 139666.

Almost surely, 2^1345627636 is an apocalyptic number.

It is an amenable number.

1345627636 is a deficient number, since it is larger than the sum of its proper divisors (1011114864).

1345627636 is a wasteful number, since it uses less digits than its factorization.

1345627636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270594 (or 270592 counting only the distinct ones).

The product of its digits is 544320, while the sum is 43.

The square root of 1345627636 is about 36682.7975487148. The cubic root of 1345627636 is about 1104.0149793616.

The spelling of 1345627636 in words is "one billion, three hundred forty-five million, six hundred twenty-seven thousand, six hundred thirty-six".