135217026485 has 8 divisors (see below), whose sum is σ = 162456640416. Its totient is φ = 108042815440.

The previous prime is 135217026433. The next prime is 135217026487. The reversal of 135217026485 is 584620712531.

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

It is not a de Polignac number, because 135217026485 - 2¹⁸ = 135216764341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135217026487) 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, 16346171 + ... + 16354440.

It is an arithmetic number, because the mean of its divisors is an integer number (20307080052).

Almost surely, 2^135217026485 is an apocalyptic number.

It is an amenable number.

135217026485 is a deficient number, since it is larger than the sum of its proper divisors (27239613931).

135217026485 is an equidigital number, since it uses as much as digits as its factorization.

135217026485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32701443.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 135217026485 in words is "one hundred thirty-five billion, two hundred seventeen million, twenty-six thousand, four hundred eighty-five".