236042013 has 4 divisors (see below), whose sum is σ = 314722688. Its totient is φ = 157361340.

The previous prime is 236042011. The next prime is 236042021. The reversal of 236042013 is 310240632.

It is a happy number.

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 not a de Polignac number, because 236042013 - 2¹ = 236042011 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 (236042011) 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, 39340333 + ... + 39340338.

It is an arithmetic number, because the mean of its divisors is an integer number (78680672).

Almost surely, 2^236042013 is an apocalyptic number.

It is an amenable number.

236042013 is a deficient number, since it is larger than the sum of its proper divisors (78680675).

236042013 is an equidigital number, since it uses as much as digits as its factorization.

236042013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78680674.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 236042013 is about 15363.6588415651. The cubic root of 236042013 is about 618.0113292715.

Adding to 236042013 its reverse (310240632), we get a palindrome (546282645).

The spelling of 236042013 in words is "two hundred thirty-six million, forty-two thousand, thirteen".