136230436231 has 16 divisors (see below), whose sum is σ = 144443593728. Its totient is φ = 128303366400.

The previous prime is 136230436201. The next prime is 136230436267. The reversal of 136230436231 is 132634032631.

It is a cyclic number.

It is not a de Polignac number, because 136230436231 - 2⁷ = 136230436103 is a prime.

It is a super-2 number, since 2×136230436231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136230436201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222730 + ... + 567511.

It is an arithmetic number, because the mean of its divisors is an integer number (9027724608).

Almost surely, 2^136230436231 is an apocalyptic number.

136230436231 is a deficient number, since it is larger than the sum of its proper divisors (8213157497).

136230436231 is an equidigital number, since it uses as much as digits as its factorization.

136230436231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790422.

The product of its (nonzero) digits is 46656, while the sum is 34.

Adding to 136230436231 its reverse (132634032631), we get a palindrome (268864468862).

The spelling of 136230436231 in words is "one hundred thirty-six billion, two hundred thirty million, four hundred thirty-six thousand, two hundred thirty-one".