135471305986 has 16 divisors (see below), whose sum is σ = 212054356800. Its totient is φ = 64786862448.

The previous prime is 135471305969. The next prime is 135471305989. The reversal of 135471305986 is 689503174531.

It is not an unprimeable number, because it can be changed into a prime (135471305989) 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, 817945 + ... + 969523.

It is an arithmetic number, because the mean of its divisors is an integer number (13253397300).

Almost surely, 2^135471305986 is an apocalyptic number.

135471305986 is a deficient number, since it is larger than the sum of its proper divisors (76583050814).

135471305986 is a wasteful number, since it uses less digits than its factorization.

135471305986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171033.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 135471305986 in words is "one hundred thirty-five billion, four hundred seventy-one million, three hundred five thousand, nine hundred eighty-six".