1366490136 has 64 divisors (see below), whose sum is σ = 3732094080. Its totient is φ = 413498880.

The previous prime is 1366490131. The next prime is 1366490143. The reversal of 1366490136 is 6310946631.

It is a junction number, because it is equal to n+sod(n) for n = 1366490094 and 1366490103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366490131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204480 + ... + 211056.

It is an arithmetic number, because the mean of its divisors is an integer number (58313970).

Almost surely, 2^1366490136 is an apocalyptic number.

It is an amenable number.

1366490136 is an abundant number, since it is smaller than the sum of its proper divisors (2365603944).

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

1366490136 is a wasteful number, since it uses less digits than its factorization.

1366490136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7384 (or 7380 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 1366490136 is about 36966.0673591336. The cubic root of 1366490136 is about 1109.6912638640.

The spelling of 1366490136 in words is "one billion, three hundred sixty-six million, four hundred ninety thousand, one hundred thirty-six".