940912613 has 4 divisors (see below), whose sum is σ = 940990848. Its totient is φ = 940834380.

The previous prime is 940912603. The next prime is 940912631. The reversal of 940912613 is 316219049.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 316219049 = 4397 ⋅71917.

It is a cyclic number.

It is not a de Polignac number, because 940912613 - 2¹⁰ = 940911589 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 (940912603) 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, 16853 + ... + 46538.

It is an arithmetic number, because the mean of its divisors is an integer number (235247712).

Almost surely, 2^940912613 is an apocalyptic number.

It is an amenable number.

940912613 is a deficient number, since it is larger than the sum of its proper divisors (78235).

940912613 is a wasteful number, since it uses less digits than its factorization.

940912613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78234.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 940912613 is about 30674.2988998934. The cubic root of 940912613 is about 979.9030214323.

It can be divided in two parts, 9409 and 12613, that added together give a palindrome (22022).

The spelling of 940912613 in words is "nine hundred forty million, nine hundred twelve thousand, six hundred thirteen".