135279186906 has 32 divisors (see below), whose sum is σ = 272754054720. Its totient is φ = 44728205184.

The previous prime is 135279186881. The next prime is 135279186941. The reversal of 135279186906 is 609681972531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361926 + ... + 633678.

It is an arithmetic number, because the mean of its divisors is an integer number (8523564210).

Almost surely, 2^135279186906 is an apocalyptic number.

135279186906 is an abundant number, since it is smaller than the sum of its proper divisors (137474867814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135279186906 is a wasteful number, since it uses less digits than its factorization.

135279186906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272430.

The product of its (nonzero) digits is 4898880, while the sum is 57.

The spelling of 135279186906 in words is "one hundred thirty-five billion, two hundred seventy-nine million, one hundred eighty-six thousand, nine hundred six".