135354453238 has 4 divisors (see below), whose sum is σ = 203031679860. Its totient is φ = 67677226618.

The previous prime is 135354453209. The next prime is 135354453239. The reversal of 135354453238 is 832354453531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 832354453531 = 610849 ⋅1362619.

It is a super-2 number, since 2×135354453238² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135354453239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33838613308 + ... + 33838613311.

It is an arithmetic number, because the mean of its divisors is an integer number (50757919965).

Almost surely, 2^135354453238 is an apocalyptic number.

135354453238 is a deficient number, since it is larger than the sum of its proper divisors (67677226622).

135354453238 is an equidigital number, since it uses as much as digits as its factorization.

135354453238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67677226621.

The product of its digits is 2592000, while the sum is 46.

The spelling of 135354453238 in words is "one hundred thirty-five billion, three hundred fifty-four million, four hundred fifty-three thousand, two hundred thirty-eight".