135115019 has 8 divisors (see below), whose sum is σ = 150202752. Its totient is φ = 120697920.

The previous prime is 135115003. The next prime is 135115021. The reversal of 135115019 is 910511531.

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 135115019 - 2⁴ = 135115003 is a prime.

It is a super-2 number, since 2×135115019² = 36512136718740722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135115219) 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, 167234 + ... + 168039.

It is an arithmetic number, because the mean of its divisors is an integer number (18775344).

Almost surely, 2^135115019 is an apocalyptic number.

135115019 is a deficient number, since it is larger than the sum of its proper divisors (15087733).

135115019 is a wasteful number, since it uses less digits than its factorization.

135115019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335317.

The product of its (nonzero) digits is 675, while the sum is 26.

The square root of 135115019 is about 11623.8986144925. The cubic root of 135115019 is about 513.1384313314.

The spelling of 135115019 in words is "one hundred thirty-five million, one hundred fifteen thousand, nineteen".