136223230 has 32 divisors (see below), whose sum is σ = 288072288. Its totient is φ = 45724800.

The previous prime is 136223209. The next prime is 136223231. The reversal of 136223230 is 32322631.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136223231) 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, 46201 + ... + 49060.

It is an arithmetic number, because the mean of its divisors is an integer number (9002259).

Almost surely, 2^136223230 is an apocalyptic number.

136223230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136223230 is an abundant number, since it is smaller than the sum of its proper divisors (151849058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136223230 is a wasteful number, since it uses less digits than its factorization.

136223230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95292.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 136223230 is about 11671.4707727861. The cubic root of 136223230 is about 514.5375305966.

Adding to 136223230 its reverse (32322631), we get a palindrome (168545861).

The spelling of 136223230 in words is "one hundred thirty-six million, two hundred twenty-three thousand, two hundred thirty".