136874850171 has 4 divisors (see below), whose sum is σ = 182499800232. Its totient is φ = 91249900112.

The previous prime is 136874850059. The next prime is 136874850173. The reversal of 136874850171 is 171058478631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 171058478631 = 3 ⋅57019492877.

It is a cyclic number.

It is not a de Polignac number, because 136874850171 - 2¹⁹ = 136874325883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136874850173) 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, 22812475026 + ... + 22812475031.

It is an arithmetic number, because the mean of its divisors is an integer number (45624950058).

Almost surely, 2^136874850171 is an apocalyptic number.

136874850171 is a deficient number, since it is larger than the sum of its proper divisors (45624950061).

136874850171 is an equidigital number, since it uses as much as digits as its factorization.

136874850171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45624950060.

The product of its (nonzero) digits is 1128960, while the sum is 51.

The spelling of 136874850171 in words is "one hundred thirty-six billion, eight hundred seventy-four million, eight hundred fifty thousand, one hundred seventy-one".