135422565 has 16 divisors (see below), whose sum is σ = 216857088. Its totient is φ = 72165056.

The previous prime is 135422563. The next prime is 135422603. The reversal of 135422565 is 565224531.

It is a cyclic number.

It is not a de Polignac number, because 135422565 - 2¹ = 135422563 is a prime.

It is a super-2 number, since 2×135422565² = 36678542222358450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135422563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19372 + ... + 25418.

It is an arithmetic number, because the mean of its divisors is an integer number (13553568).

Almost surely, 2^135422565 is an apocalyptic number.

135422565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135422565 is a deficient number, since it is larger than the sum of its proper divisors (81434523).

135422565 is a wasteful number, since it uses less digits than its factorization.

135422565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7548.

The product of its digits is 36000, while the sum is 33.

The square root of 135422565 is about 11637.1201334351. The cubic root of 135422565 is about 513.5274679881.

The spelling of 135422565 in words is "one hundred thirty-five million, four hundred twenty-two thousand, five hundred sixty-five".