135195139 has 8 divisors (see below), whose sum is σ = 138604400. Its totient is φ = 131798016.

The previous prime is 135195119. The next prime is 135195143. The reversal of 135195139 is 931591531.

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 135195139 - 2²⁷ = 977411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135195098 and 135195107.

It is not an unprimeable number, because it can be changed into a prime (135195119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22087 + ... + 27535.

It is an arithmetic number, because the mean of its divisors is an integer number (17325550).

Almost surely, 2^135195139 is an apocalyptic number.

135195139 is a deficient number, since it is larger than the sum of its proper divisors (3409261).

135195139 is an equidigital number, since it uses as much as digits as its factorization.

135195139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6069.

The product of its digits is 18225, while the sum is 37.

The square root of 135195139 is about 11627.3444517654. The cubic root of 135195139 is about 513.2398375945.

The spelling of 135195139 in words is "one hundred thirty-five million, one hundred ninety-five thousand, one hundred thirty-nine".