135555307366 has 4 divisors (see below), whose sum is σ = 203332961052. Its totient is φ = 67777653682.

The previous prime is 135555307361. The next prime is 135555307367. The reversal of 135555307366 is 663703555531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 663703555531 = 234361 ⋅2831971.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135555307361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33888826840 + ... + 33888826843.

It is an arithmetic number, because the mean of its divisors is an integer number (50833240263).

Almost surely, 2^135555307366 is an apocalyptic number.

135555307366 is a deficient number, since it is larger than the sum of its proper divisors (67777653686).

135555307366 is an equidigital number, since it uses as much as digits as its factorization.

135555307366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67777653685.

The product of its (nonzero) digits is 4252500, while the sum is 49.

The spelling of 135555307366 in words is "one hundred thirty-five billion, five hundred fifty-five million, three hundred seven thousand, three hundred sixty-six".