136691124 has 12 divisors (see below), whose sum is σ = 318945984. Its totient is φ = 45563704.

The previous prime is 136691083. The next prime is 136691129. The reversal of 136691124 is 421196631.

136691124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136691129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5695452 + ... + 5695475.

It is an arithmetic number, because the mean of its divisors is an integer number (26578832).

Almost surely, 2^136691124 is an apocalyptic number.

It is an amenable number.

136691124 is an abundant number, since it is smaller than the sum of its proper divisors (182254860).

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

136691124 is a wasteful number, since it uses less digits than its factorization.

136691124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11390934 (or 11390932 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 136691124 is about 11691.4979365349. The cubic root of 136691124 is about 515.1259615855.

The spelling of 136691124 in words is "one hundred thirty-six million, six hundred ninety-one thousand, one hundred twenty-four".