136540171 has 8 divisors (see below), whose sum is σ = 140534784. Its totient is φ = 132603240.

The previous prime is 136540169. The next prime is 136540177. The reversal of 136540171 is 171045631.

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 136540171 - 2¹ = 136540169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136540177) 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, 9595 + ... + 19108.

It is an arithmetic number, because the mean of its divisors is an integer number (17566848).

Almost surely, 2^136540171 is an apocalyptic number.

136540171 is a deficient number, since it is larger than the sum of its proper divisors (3994613).

136540171 is an equidigital number, since it uses as much as digits as its factorization.

136540171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28841.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 136540171 is about 11685.0404791768. The cubic root of 136540171 is about 514.9362676027.

The spelling of 136540171 in words is "one hundred thirty-six million, five hundred forty thousand, one hundred seventy-one".