135934671 has 4 divisors (see below), whose sum is σ = 181246232. Its totient is φ = 90623112.

The previous prime is 135934649. The next prime is 135934681. The reversal of 135934671 is 176439531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 176439531 = 3 ⋅58813177.

It is not a de Polignac number, because 135934671 - 2⁷ = 135934543 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 (135934621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22655776 + ... + 22655781.

It is an arithmetic number, because the mean of its divisors is an integer number (45311558).

Almost surely, 2^135934671 is an apocalyptic number.

135934671 is a deficient number, since it is larger than the sum of its proper divisors (45311561).

135934671 is an equidigital number, since it uses as much as digits as its factorization.

135934671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45311560.

The product of its digits is 68040, while the sum is 39.

The square root of 135934671 is about 11659.1024954754. The cubic root of 135934671 is about 514.1739621713.

The spelling of 135934671 in words is "one hundred thirty-five million, nine hundred thirty-four thousand, six hundred seventy-one".