136511232 has 216 divisors, whose sum is σ = 433875792. Its totient is φ = 37847040.

The previous prime is 136511213. The next prime is 136511239. The reversal of 136511232 is 232115631.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136511239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1208008 + ... + 1208120.

Almost surely, 2^136511232 is an apocalyptic number.

136511232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136511232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216937896).

136511232 is an abundant number, since it is smaller than the sum of its proper divisors (297364560).

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

136511232 is a wasteful number, since it uses less digits than its factorization.

136511232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 142 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 136511232 is about 11683.8021208851. The cubic root of 136511232 is about 514.8998856514.

Adding to 136511232 its reverse (232115631), we get a palindrome (368626863).

The spelling of 136511232 in words is "one hundred thirty-six million, five hundred eleven thousand, two hundred thirty-two".