135155097 has 24 divisors (see below), whose sum is σ = 243397440. Its totient is φ = 70210080.

The previous prime is 135155093. The next prime is 135155131. The reversal of 135155097 is 790551531.

135155097 is a `hidden beast` number, since 1 + 3 + 515 + 50 + 97 = 666.

It is not a de Polignac number, because 135155097 - 2² = 135155093 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135155093) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96822 + ... + 98207.

It is an arithmetic number, because the mean of its divisors is an integer number (10141560).

Almost surely, 2^135155097 is an apocalyptic number.

It is an amenable number.

135155097 is a deficient number, since it is larger than the sum of its proper divisors (108242343).

135155097 is a wasteful number, since it uses less digits than its factorization.

135155097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195053 (or 195050 counting only the distinct ones).

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

The square root of 135155097 is about 11625.6224349495. The cubic root of 135155097 is about 513.1891622546.

The spelling of 135155097 in words is "one hundred thirty-five million, one hundred fifty-five thousand, ninety-seven".