135294075849 has 4 divisors (see below), whose sum is σ = 180392101136. Its totient is φ = 90196050564.

The previous prime is 135294075823. The next prime is 135294075893. The reversal of 135294075849 is 948570492531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 948570492531 = 3 ⋅316190164177.

It is not a de Polignac number, because 135294075849 - 2³² = 130999108553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135294075149) 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, 22549012639 + ... + 22549012644.

It is an arithmetic number, because the mean of its divisors is an integer number (45098025284).

Almost surely, 2^135294075849 is an apocalyptic number.

It is an amenable number.

135294075849 is a deficient number, since it is larger than the sum of its proper divisors (45098025287).

135294075849 is an equidigital number, since it uses as much as digits as its factorization.

135294075849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45098025286.

The product of its (nonzero) digits is 10886400, while the sum is 57.

The spelling of 135294075849 in words is "one hundred thirty-five billion, two hundred ninety-four million, seventy-five thousand, eight hundred forty-nine".