1364021636 has 12 divisors (see below), whose sum is σ = 2387352912. Its totient is φ = 681920808.

The previous prime is 1364021597. The next prime is 1364021651. The reversal of 1364021636 is 6361204631.

It is a super-2 number, since 2×1364021636² = 3721110046952232992, which contains 22 as substring.

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, 20891 + ... + 56253.

It is an arithmetic number, because the mean of its divisors is an integer number (198946076).

Almost surely, 2^1364021636 is an apocalyptic number.

It is an amenable number.

1364021636 is a deficient number, since it is larger than the sum of its proper divisors (1023331276).

1364021636 is a wasteful number, since it uses less digits than its factorization.

1364021636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45010 (or 45008 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 1364021636 is about 36932.6635378495. The cubic root of 1364021636 is about 1109.0226594529.

The spelling of 1364021636 in words is "one billion, three hundred sixty-four million, twenty-one thousand, six hundred thirty-six".