136767671 has 4 divisors (see below), whose sum is σ = 136793712. Its totient is φ = 136741632.

The previous prime is 136767667. The next prime is 136767679. The reversal of 136767671 is 176767631.

136767671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 136767671 - 2² = 136767667 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 (136767679) 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, 2075 + ... + 16668.

It is an arithmetic number, because the mean of its divisors is an integer number (34198428).

Almost surely, 2^136767671 is an apocalyptic number.

136767671 is a deficient number, since it is larger than the sum of its proper divisors (26041).

136767671 is an equidigital number, since it uses as much as digits as its factorization.

136767671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26040.

The product of its digits is 222264, while the sum is 44.

The square root of 136767671 is about 11694.7710965200. The cubic root of 136767671 is about 515.2221004510. Note that the first 3 decimals are identical.

The spelling of 136767671 in words is "one hundred thirty-six million, seven hundred sixty-seven thousand, six hundred seventy-one".