135055197 has 6 divisors (see below), whose sum is σ = 195079742. Its totient is φ = 90036792.

The previous prime is 135055187. The next prime is 135055201. The reversal of 135055197 is 791550531.

135055197 is a `hidden beast` number, since 13 + 5 + 0 + 551 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 111957561 + 23097636 = 10581^2 + 4806^2 .

It is not a de Polignac number, because 135055197 - 2⁴ = 135055181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135055147) 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 5 ways as a sum of consecutive naturals, for example, 7503058 + ... + 7503075.

Almost surely, 2^135055197 is an apocalyptic number.

It is an amenable number.

135055197 is a deficient number, since it is larger than the sum of its proper divisors (60024545).

135055197 is a wasteful number, since it uses less digits than its factorization.

135055197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15006139 (or 15006136 counting only the distinct ones).

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

The square root of 135055197 is about 11621.3250965628. The cubic root of 135055197 is about 513.0626896930.

The spelling of 135055197 in words is "one hundred thirty-five million, fifty-five thousand, one hundred ninety-seven".