136727149 has 4 divisors (see below), whose sum is σ = 147244636. Its totient is φ = 126209664.

The previous prime is 136727119. The next prime is 136727153. The reversal of 136727149 is 941727631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20475625 + 116251524 = 4525^2 + 10782^2 .

It is a cyclic number.

It is not a de Polignac number, because 136727149 - 2¹³ = 136718957 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 (136727119) 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, 5258724 + ... + 5258749.

It is an arithmetic number, because the mean of its divisors is an integer number (36811159).

Almost surely, 2^136727149 is an apocalyptic number.

It is an amenable number.

136727149 is a deficient number, since it is larger than the sum of its proper divisors (10517487).

136727149 is a wasteful number, since it uses less digits than its factorization.

136727149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10517486.

The product of its digits is 63504, while the sum is 40.

The square root of 136727149 is about 11693.0384845001. The cubic root of 136727149 is about 515.1712114944.

The spelling of 136727149 in words is "one hundred thirty-six million, seven hundred twenty-seven thousand, one hundred forty-nine".