136111212 has 96 divisors (see below), whose sum is σ = 375379200. Its totient is φ = 42529536.

The previous prime is 136111159. The next prime is 136111229. The reversal of 136111212 is 212111631.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231583 + ... + 232169.

It is an arithmetic number, because the mean of its divisors is an integer number (3910200).

Almost surely, 2^136111212 is an apocalyptic number.

136111212 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 136111212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187689600).

136111212 is an abundant number, since it is smaller than the sum of its proper divisors (239267988).

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

136111212 is a wasteful number, since it uses less digits than its factorization.

136111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 724 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 136111212 is about 11666.6709904754. The cubic root of 136111212 is about 514.3964551208.

Adding to 136111212 its reverse (212111631), we get a palindrome (348222843).

The spelling of 136111212 in words is "one hundred thirty-six million, one hundred eleven thousand, two hundred twelve".