1366641136 has 40 divisors (see below), whose sum is σ = 3096520064. Its totient is φ = 572080320.

The previous prime is 1366641121. The next prime is 1366641161. The reversal of 1366641136 is 6311466631.

It is a junction number, because it is equal to n+sod(n) for n = 1366641095 and 1366641104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137070 + ... + 146701.

Almost surely, 2^1366641136 is an apocalyptic number.

1366641136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1366641136 is an abundant number, since it is smaller than the sum of its proper divisors (1729878928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1366641136 is a wasteful number, since it uses less digits than its factorization.

1366641136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283829 (or 283823 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 1366641136 is about 36968.1097163488. The cubic root of 1366641136 is about 1109.7321367555.

The spelling of 1366641136 in words is "one billion, three hundred sixty-six million, six hundred forty-one thousand, one hundred thirty-six".