136782149 has 8 divisors (see below), whose sum is σ = 157372800. Its totient is φ = 116454096.

The previous prime is 136782143. The next prime is 136782157. The reversal of 136782149 is 941287631.

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

It is a cyclic number.

It is not a de Polignac number, because 136782149 - 2⁴ = 136782133 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 (136782143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64529 + ... + 66614.

It is an arithmetic number, because the mean of its divisors is an integer number (19671600).

Almost surely, 2^136782149 is an apocalyptic number.

It is an amenable number.

136782149 is a deficient number, since it is larger than the sum of its proper divisors (20590651).

136782149 is a wasteful number, since it uses less digits than its factorization.

136782149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131299.

The product of its digits is 72576, while the sum is 41.

The square root of 136782149 is about 11695.3900747260. The cubic root of 136782149 is about 515.2402799967.

The spelling of 136782149 in words is "one hundred thirty-six million, seven hundred eighty-two thousand, one hundred forty-nine".