136548149 has 8 divisors (see below), whose sum is σ = 141096960. Its totient is φ = 132008400.

The previous prime is 136548143. The next prime is 136548151. The reversal of 136548149 is 941845631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136548149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136548143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43079 + ... + 46139.

It is an arithmetic number, because the mean of its divisors is an integer number (17637120).

Almost surely, 2^136548149 is an apocalyptic number.

It is an amenable number.

136548149 is a deficient number, since it is larger than the sum of its proper divisors (4548811).

136548149 is a wasteful number, since it uses less digits than its factorization.

136548149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4531.

The product of its digits is 103680, while the sum is 41.

The square root of 136548149 is about 11685.3818508425. The cubic root of 136548149 is about 514.9462965963.

The spelling of 136548149 in words is "one hundred thirty-six million, five hundred forty-eight thousand, one hundred forty-nine".