135515534 has 64 divisors (see below), whose sum is σ = 275788800. Its totient is φ = 48314880.

The previous prime is 135515533. The next prime is 135515561. The reversal of 135515534 is 435515531.

It is a self number, because there is not a number n which added to its sum of digits gives 135515534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135515531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96167 + ... + 97565.

It is an arithmetic number, because the mean of its divisors is an integer number (4309200).

Almost surely, 2^135515534 is an apocalyptic number.

135515534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

135515534 is an abundant number, since it is smaller than the sum of its proper divisors (140273266).

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

135515534 is a wasteful number, since it uses less digits than its factorization.

135515534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473.

The product of its digits is 22500, while the sum is 32.

The square root of 135515534 is about 11641.1139501338. The cubic root of 135515534 is about 513.6449550902.

The spelling of 135515534 in words is "one hundred thirty-five million, five hundred fifteen thousand, five hundred thirty-four".