136045231 has 8 divisors (see below), whose sum is σ = 155552544. Its totient is φ = 116556000.

The previous prime is 136045201. The next prime is 136045241. The reversal of 136045231 is 132540631.

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

It is a cyclic number.

It is not a de Polignac number, because 136045231 - 2¹⁵ = 136012463 is a prime.

It is a super-2 number, since 2×136045231² = 37016609755686722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136045196 and 136045205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136045201) 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, 21981 + ... + 27481.

It is an arithmetic number, because the mean of its divisors is an integer number (19444068).

Almost surely, 2^136045231 is an apocalyptic number.

136045231 is a deficient number, since it is larger than the sum of its proper divisors (19507313).

136045231 is an equidigital number, since it uses as much as digits as its factorization.

136045231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9041.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 136045231 is about 11663.8428916031. The cubic root of 136045231 is about 514.3133224193.

Adding to 136045231 its reverse (132540631), we get a palindrome (268585862).

The spelling of 136045231 in words is "one hundred thirty-six million, forty-five thousand, two hundred thirty-one".