940499513 has 4 divisors (see below), whose sum is σ = 942188580. Its totient is φ = 938810448.

The previous prime is 940499507. The next prime is 940499519. The reversal of 940499513 is 315994049.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 315994049 = 7 ⋅45142007.

It is an interprime number because it is at equal distance from previous prime (940499507) and next prime (940499519).

It can be written as a sum of positive squares in 2 ways, for example, as 440664064 + 499835449 = 20992^2 + 22357^2 .

It is a cyclic number.

It is not a de Polignac number, because 940499513 - 2¹² = 940495417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (940499519) 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, 843698 + ... + 844811.

It is an arithmetic number, because the mean of its divisors is an integer number (235547145).

Almost surely, 2^940499513 is an apocalyptic number.

It is an amenable number.

940499513 is a deficient number, since it is larger than the sum of its proper divisors (1689067).

940499513 is a wasteful number, since it uses less digits than its factorization.

940499513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689066.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 940499513 is about 30667.5645104074. The cubic root of 940499513 is about 979.7595942999.

The spelling of 940499513 in words is "nine hundred forty million, four hundred ninety-nine thousand, five hundred thirteen".