1365641013 has 16 divisors (see below), whose sum is σ = 1987707456. Its totient is φ = 827111040.

The previous prime is 1365640993. The next prime is 1365641027. The reversal of 1365641013 is 3101465631.

It is not a de Polignac number, because 1365641013 - 2¹² = 1365636917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1365641213) 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, 39745 + ... + 65657.

It is an arithmetic number, because the mean of its divisors is an integer number (124231716).

Almost surely, 2^1365641013 is an apocalyptic number.

It is an amenable number.

1365641013 is a deficient number, since it is larger than the sum of its proper divisors (622066443).

1365641013 is a wasteful number, since it uses less digits than its factorization.

1365641013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27524.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1365641013 is about 36954.5804062230. The cubic root of 1365641013 is about 1109.4613659699.

The spelling of 1365641013 in words is "one billion, three hundred sixty-five million, six hundred forty-one thousand, thirteen".