116213143 has 4 divisors (see below), whose sum is σ = 116385480. Its totient is φ = 116040808.

The previous prime is 116213137. The next prime is 116213171. The reversal of 116213143 is 341312611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 116213143 - 2⁹ = 116212631 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 (116213843) 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, 85153 + ... + 86506.

It is an arithmetic number, because the mean of its divisors is an integer number (29096370).

Almost surely, 2^116213143 is an apocalyptic number.

116213143 is a deficient number, since it is larger than the sum of its proper divisors (172337).

116213143 is an equidigital number, since it uses as much as digits as its factorization.

116213143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172336.

The product of its digits is 432, while the sum is 22.

The square root of 116213143 is about 10780.2199884789. The cubic root of 116213143 is about 487.9984197185.

Adding to 116213143 its reverse (341312611), we get a palindrome (457525754).

The spelling of 116213143 in words is "one hundred sixteen million, two hundred thirteen thousand, one hundred forty-three".