135426520 has 32 divisors (see below), whose sum is σ = 315219600. Its totient is φ = 52302208.

The previous prime is 135426517. The next prime is 135426523. The reversal of 135426520 is 25624531.

It is an interprime number because it is at equal distance from previous prime (135426517) and next prime (135426523).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135426523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57214 + ... + 59533.

Almost surely, 2^135426520 is an apocalyptic number.

135426520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135426520 is an abundant number, since it is smaller than the sum of its proper divisors (179793080).

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

135426520 is a wasteful number, since it uses less digits than its factorization.

135426520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116787 (or 116783 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 135426520 is about 11637.2900625532. The cubic root of 135426520 is about 513.5324671091.

The spelling of 135426520 in words is "one hundred thirty-five million, four hundred twenty-six thousand, five hundred twenty".