135426560 has 40 divisors (see below), whose sum is σ = 324712476. Its totient is φ = 54169600.

The previous prime is 135426523. The next prime is 135426589. The reversal of 135426560 is 65624531.

It can be written as a sum of positive squares in 2 ways, for example, as 122235136 + 13191424 = 11056^2 + 3632^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23891 + ... + 29010.

Almost surely, 2^135426560 is an apocalyptic number.

135426560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135426560 is an abundant number, since it is smaller than the sum of its proper divisors (189285916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135426560 is an frugal number, since it uses more digits than its factorization.

135426560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52924 (or 52908 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 135426560 is about 11637.2917811663. The cubic root of 135426560 is about 513.5325176686.

It can be divided in two parts, 13542 and 6560, that added together give a palindrome (20102).

The spelling of 135426560 in words is "one hundred thirty-five million, four hundred twenty-six thousand, five hundred sixty".