135298515 has 16 divisors (see below), whose sum is σ = 236157696. Its totient is φ = 65599200.

The previous prime is 135298507. The next prime is 135298519. The reversal of 135298515 is 515892531.

It is not a de Polignac number, because 135298515 - 2³ = 135298507 is a prime.

It is a super-2 number, since 2×135298515² = 36611376322410450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135298519) 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 15 ways as a sum of consecutive naturals, for example, 409831 + ... + 410160.

It is an arithmetic number, because the mean of its divisors is an integer number (14759856).

Almost surely, 2^135298515 is an apocalyptic number.

135298515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135298515 is a deficient number, since it is larger than the sum of its proper divisors (100859181).

135298515 is a wasteful number, since it uses less digits than its factorization.

135298515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820010.

The product of its digits is 54000, while the sum is 39.

The square root of 135298515 is about 11631.7889853625. The cubic root of 135298515 is about 513.3706193284.

The spelling of 135298515 in words is "one hundred thirty-five million, two hundred ninety-eight thousand, five hundred fifteen".