135559033678 has 4 divisors (see below), whose sum is σ = 203338550520. Its totient is φ = 67779516838.

The previous prime is 135559033609. The next prime is 135559033691. The reversal of 135559033678 is 876330955531.

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

It is a super-3 number, since 3×135559033678³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33889758418 + ... + 33889758421.

It is an arithmetic number, because the mean of its divisors is an integer number (50834637630).

Almost surely, 2^135559033678 is an apocalyptic number.

135559033678 is a deficient number, since it is larger than the sum of its proper divisors (67779516842).

135559033678 is an equidigital number, since it uses as much as digits as its factorization.

135559033678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67779516841.

The product of its (nonzero) digits is 10206000, while the sum is 55.

The spelling of 135559033678 in words is "one hundred thirty-five billion, five hundred fifty-nine million, thirty-three thousand, six hundred seventy-eight".