135838127746 has 4 divisors (see below), whose sum is σ = 203757191622. Its totient is φ = 67919063872.

The previous prime is 135838127741. The next prime is 135838127753. The reversal of 135838127746 is 647721838531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 647721838531 = 20963 ⋅30898337.

It can be written as a sum of positive squares in only one way, i.e., 104752559025 + 31085568721 = 323655^2 + 176311^2 .

It is not an unprimeable number, because it can be changed into a prime (135838127741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33959531935 + ... + 33959531938.

Almost surely, 2^135838127746 is an apocalyptic number.

135838127746 is a deficient number, since it is larger than the sum of its proper divisors (67919063876).

135838127746 is an equidigital number, since it uses as much as digits as its factorization.

135838127746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67919063875.

The product of its digits is 6773760, while the sum is 55.

The spelling of 135838127746 in words is "one hundred thirty-five billion, eight hundred thirty-eight million, one hundred twenty-seven thousand, seven hundred forty-six".