135195187 has 8 divisors (see below), whose sum is σ = 139994640. Its totient is φ = 130404960.

The previous prime is 135195167. The next prime is 135195199. The reversal of 135195187 is 781591531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135195187 - 2⁷ = 135195059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135195167) 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 7 ways as a sum of consecutive naturals, for example, 42637 + ... + 45697.

It is an arithmetic number, because the mean of its divisors is an integer number (17499330).

Almost surely, 2^135195187 is an apocalyptic number.

135195187 is a deficient number, since it is larger than the sum of its proper divisors (4799453).

135195187 is a wasteful number, since it uses less digits than its factorization.

135195187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4613.

The product of its digits is 37800, while the sum is 40.

The square root of 135195187 is about 11627.3465158651. The cubic root of 135195187 is about 513.2398983351.

The spelling of 135195187 in words is "one hundred thirty-five million, one hundred ninety-five thousand, one hundred eighty-seven".