136149147 has 16 divisors (see below), whose sum is σ = 202212000. Its totient is φ = 90536832.

The previous prime is 136149109. The next prime is 136149149. The reversal of 136149147 is 741941631.

136149147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-136149147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136149149) 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, 4879 + ... + 17207.

It is an arithmetic number, because the mean of its divisors is an integer number (12638250).

Almost surely, 2^136149147 is an apocalyptic number.

136149147 is a deficient number, since it is larger than the sum of its proper divisors (66062853).

136149147 is a wasteful number, since it uses less digits than its factorization.

136149147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12747 (or 12741 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 136149147 is about 11668.2966623239. The cubic root of 136149147 is about 514.4442391269. Note that the first 3 decimals are identical.

The spelling of 136149147 in words is "one hundred thirty-six million, one hundred forty-nine thousand, one hundred forty-seven".