940869013 has 4 divisors (see below), whose sum is σ = 1075278880. Its totient is φ = 806459148.

The previous prime is 940868987. The next prime is 940869023. The reversal of 940869013 is 310968049.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 940869013 - 2¹³ = 940860821 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 (940869023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67204923 + ... + 67204936.

It is an arithmetic number, because the mean of its divisors is an integer number (268819720).

Almost surely, 2^940869013 is an apocalyptic number.

It is an amenable number.

940869013 is a deficient number, since it is larger than the sum of its proper divisors (134409867).

940869013 is a wasteful number, since it uses less digits than its factorization.

940869013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134409866.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 940869013 is about 30673.5881989701. The cubic root of 940869013 is about 979.8878856194.

The spelling of 940869013 in words is "nine hundred forty million, eight hundred sixty-nine thousand, thirteen".