135267687 has 24 divisors (see below), whose sum is σ = 202962240. Its totient is φ = 86708160.

The previous prime is 135267679. The next prime is 135267689. The reversal of 135267687 is 786762531.

It is not a de Polignac number, because 135267687 - 2³ = 135267679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135267689) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71362 + ... + 73232.

It is an arithmetic number, because the mean of its divisors is an integer number (8456760).

Almost surely, 2^135267687 is an apocalyptic number.

135267687 is a deficient number, since it is larger than the sum of its proper divisors (67694553).

135267687 is a wasteful number, since it uses less digits than its factorization.

135267687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183 (or 2180 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 135267687 is about 11630.4637482776. The cubic root of 135267687 is about 513.3316255729.

The spelling of 135267687 in words is "one hundred thirty-five million, two hundred sixty-seven thousand, six hundred eighty-seven".