135352619 has 4 divisors (see below), whose sum is σ = 137906496. Its totient is φ = 132798744.

The previous prime is 135352601. The next prime is 135352627. The reversal of 135352619 is 916253531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135352619 is a prime.

It is a super-2 number, since 2×135352619² = 36640662940318322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135352639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1276859 + ... + 1276964.

It is an arithmetic number, because the mean of its divisors is an integer number (34476624).

Almost surely, 2^135352619 is an apocalyptic number.

135352619 is a deficient number, since it is larger than the sum of its proper divisors (2553877).

135352619 is an equidigital number, since it uses as much as digits as its factorization.

135352619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553876.

The product of its digits is 24300, while the sum is 35.

The square root of 135352619 is about 11634.1144484658. The cubic root of 135352619 is about 513.4390401396.

The spelling of 135352619 in words is "one hundred thirty-five million, three hundred fifty-two thousand, six hundred nineteen".