1366487936 has 64 divisors (see below), whose sum is σ = 3065679360. Its totient is φ = 601075200.

The previous prime is 1366487929. The next prime is 1366487977. The reversal of 1366487936 is 6397846631.

It is a tau number, because it is divible by the number of its divisors (64).

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, 27995 + ... + 59301.

It is an arithmetic number, because the mean of its divisors is an integer number (47901240).

Almost surely, 2^1366487936 is an apocalyptic number.

1366487936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1366487936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1532839680).

1366487936 is an abundant number, since it is smaller than the sum of its proper divisors (1699191424).

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

1366487936 is a wasteful number, since it uses less digits than its factorization.

1366487936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31363 (or 31351 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 53.

The square root of 1366487936 is about 36966.0376021017. The cubic root of 1366487936 is about 1109.6906683427.

The spelling of 1366487936 in words is "one billion, three hundred sixty-six million, four hundred eighty-seven thousand, nine hundred thirty-six".