135151821170 has 16 divisors (see below), whose sum is σ = 243375408000. Its totient is φ = 54038032944.

The previous prime is 135151821169. The next prime is 135151821191. The reversal of 135151821170 is 71128151531.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 135151821170.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2811920 + ... + 2859579.

It is an arithmetic number, because the mean of its divisors is an integer number (15210963000).

Almost surely, 2^135151821170 is an apocalyptic number.

135151821170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135151821170 is a deficient number, since it is larger than the sum of its proper divisors (108223586830).

135151821170 is a wasteful number, since it uses less digits than its factorization.

135151821170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5673889.

The product of its (nonzero) digits is 8400, while the sum is 35.

The spelling of 135151821170 in words is "one hundred thirty-five billion, one hundred fifty-one million, eight hundred twenty-one thousand, one hundred seventy".