135967871 has 8 divisors (see below), whose sum is σ = 146635440. Its totient is φ = 125330112.

The previous prime is 135967847. The next prime is 135967873. The reversal of 135967871 is 178769531.

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 135967871 - 2⁶ = 135967807 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 (135967873) 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, 2531 + ... + 16683.

It is an arithmetic number, because the mean of its divisors is an integer number (18329430).

Almost surely, 2^135967871 is an apocalyptic number.

135967871 is a deficient number, since it is larger than the sum of its proper divisors (10667569).

135967871 is a wasteful number, since it uses less digits than its factorization.

135967871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14905.

The product of its digits is 317520, while the sum is 47.

The square root of 135967871 is about 11660.5261888133. The cubic root of 135967871 is about 514.2158185176.

The spelling of 135967871 in words is "one hundred thirty-five million, nine hundred sixty-seven thousand, eight hundred seventy-one".