1366500007 has 8 divisors (see below), whose sum is σ = 1465562160. Its totient is φ = 1270152000.

The previous prime is 1366499999. The next prime is 1366500011. The reversal of 1366500007 is 7000056631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1366500007 - 2³ = 1366499999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366500017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 677494 + ... + 679507.

It is an arithmetic number, because the mean of its divisors is an integer number (183195270).

Almost surely, 2^1366500007 is an apocalyptic number.

1366500007 is a deficient number, since it is larger than the sum of its proper divisors (99062153).

1366500007 is a wasteful number, since it uses less digits than its factorization.

1366500007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357073.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 1366500007 is about 36966.2008732301. The cubic root of 1366500007 is about 1109.6939358521.

Adding to 1366500007 its reverse (7000056631), we get a palindrome (8366556638).

The spelling of 1366500007 in words is "one billion, three hundred sixty-six million, five hundred thousand, seven".