135515097 has 6 divisors (see below), whose sum is σ = 195744042. Its totient is φ = 90343392.

The previous prime is 135515089. The next prime is 135515113. The reversal of 135515097 is 790515531.

135515097 is a `hidden beast` number, since 13 + 551 + 5 + 0 + 97 = 666.

135515097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 71978256 + 63536841 = 8484^2 + 7971^2 .

It is not a de Polignac number, because 135515097 - 2³ = 135515089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135515047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7528608 + ... + 7528625.

It is an arithmetic number, because the mean of its divisors is an integer number (32624007).

Almost surely, 2^135515097 is an apocalyptic number.

It is an amenable number.

135515097 is a deficient number, since it is larger than the sum of its proper divisors (60228945).

135515097 is a wasteful number, since it uses less digits than its factorization.

135515097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15057239 (or 15057236 counting only the distinct ones).

The product of its (nonzero) digits is 23625, while the sum is 36.

The square root of 135515097 is about 11641.0951804373. The cubic root of 135515097 is about 513.6444029688.

The spelling of 135515097 in words is "one hundred thirty-five million, five hundred fifteen thousand, ninety-seven".