135520485 has 32 divisors (see below), whose sum is σ = 229402368. Its totient is φ = 68175360.

The previous prime is 135520459. The next prime is 135520507. The reversal of 135520485 is 584025531.

It is not a de Polignac number, because 135520485 - 2⁵ = 135520453 is a prime.

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, 22495 + ... + 27875.

It is an arithmetic number, because the mean of its divisors is an integer number (7168824).

Almost surely, 2^135520485 is an apocalyptic number.

135520485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135520485 is a deficient number, since it is larger than the sum of its proper divisors (93881883).

135520485 is a wasteful number, since it uses less digits than its factorization.

135520485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5485.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 135520485 is about 11641.3265996621. The cubic root of 135520485 is about 513.6512102777.

The spelling of 135520485 in words is "one hundred thirty-five million, five hundred twenty thousand, four hundred eighty-five".