116240213 has 4 divisors (see below), whose sum is σ = 116369280. Its totient is φ = 116111148.

The previous prime is 116240209. The next prime is 116240219. The reversal of 116240213 is 312042611.

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 an emirpimes, since its reverse is a distinct semiprime: 312042611 = 6833 ⋅45667.

It is a cyclic number.

It is not a de Polignac number, because 116240213 - 2² = 116240209 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 (116240219) 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, 63173 + ... + 64986.

It is an arithmetic number, because the mean of its divisors is an integer number (29092320).

Almost surely, 2^116240213 is an apocalyptic number.

It is an amenable number.

116240213 is a deficient number, since it is larger than the sum of its proper divisors (129067).

116240213 is an equidigital number, since it uses as much as digits as its factorization.

116240213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129066.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 116240213 is about 10781.4754556137. The cubic root of 116240213 is about 488.0363072624.

Adding to 116240213 its reverse (312042611), we get a palindrome (428282824).

The spelling of 116240213 in words is "one hundred sixteen million, two hundred forty thousand, two hundred thirteen".