135768071958 has 64 divisors (see below), whose sum is σ = 293770333440. Its totient is φ = 41673139200.

The previous prime is 135768071947. The next prime is 135768071983. The reversal of 135768071958 is 859170867531.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1216338 + ... + 1323258.

It is an arithmetic number, because the mean of its divisors is an integer number (4590161460).

Almost surely, 2^135768071958 is an apocalyptic number.

135768071958 is an abundant number, since it is smaller than the sum of its proper divisors (158002261482).

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

135768071958 is a wasteful number, since it uses less digits than its factorization.

135768071958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107213.

The product of its (nonzero) digits is 12700800, while the sum is 60.

The spelling of 135768071958 in words is "one hundred thirty-five billion, seven hundred sixty-eight million, seventy-one thousand, nine hundred fifty-eight".