135241170521 has 8 divisors (see below), whose sum is σ = 135691784160. Its totient is φ = 134790675552.

The previous prime is 135241170497. The next prime is 135241170557. The reversal of 135241170521 is 125071142531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135241170521 - 2²⁶ = 135174061657 is a prime.

It is a super-2 number, since 2×135241170521² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135241170221) 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, 2654990 + ... + 2705448.

It is an arithmetic number, because the mean of its divisors is an integer number (16961473020).

Almost surely, 2^135241170521 is an apocalyptic number.

It is an amenable number.

135241170521 is a deficient number, since it is larger than the sum of its proper divisors (450613639).

135241170521 is an equidigital number, since it uses as much as digits as its factorization.

135241170521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59335.

The product of its (nonzero) digits is 8400, while the sum is 32.

The spelling of 135241170521 in words is "one hundred thirty-five billion, two hundred forty-one million, one hundred seventy thousand, five hundred twenty-one".