136146231 has 24 divisors (see below), whose sum is σ = 218414160. Its totient is φ = 83779488.

The previous prime is 136146221. The next prime is 136146233. The reversal of 136146231 is 132641631.

136146231 is a `hidden beast` number, since 1 + 36 + 1 + 4 + 623 + 1 = 666.

It is not a de Polignac number, because 136146231 - 2⁶ = 136146167 is a prime.

It is a super-3 number, since 3×136146231³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 136146195 and 136146204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136146233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10356 + ... + 19481.

It is an arithmetic number, because the mean of its divisors is an integer number (9100590).

Almost surely, 2^136146231 is an apocalyptic number.

136146231 is a deficient number, since it is larger than the sum of its proper divisors (82267929).

136146231 is a wasteful number, since it uses less digits than its factorization.

136146231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29872 (or 29853 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 136146231 is about 11668.1717076841. The cubic root of 136146231 is about 514.4405663652.

Adding to 136146231 its reverse (132641631), we get a palindrome (268787862).

The spelling of 136146231 in words is "one hundred thirty-six million, one hundred forty-six thousand, two hundred thirty-one".