236133457213 has 8 divisors (see below), whose sum is σ = 236534005568. Its totient is φ = 235733186304.

The previous prime is 236133457199. The next prime is 236133457223. The reversal of 236133457213 is 312754331632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-236133457213 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 (236133457223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1671106 + ... + 1806892.

It is an arithmetic number, because the mean of its divisors is an integer number (29566750696).

Almost surely, 2^236133457213 is an apocalyptic number.

It is an amenable number.

236133457213 is a deficient number, since it is larger than the sum of its proper divisors (400548355).

236133457213 is a wasteful number, since it uses less digits than its factorization.

236133457213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138723.

The product of its digits is 272160, while the sum is 40.

Adding to 236133457213 its reverse (312754331632), we get a palindrome (548887788845).

The spelling of 236133457213 in words is "two hundred thirty-six billion, one hundred thirty-three million, four hundred fifty-seven thousand, two hundred thirteen".