135666410155 has 16 divisors (see below), whose sum is σ = 166280615424. Its totient is φ = 106212988000.

The previous prime is 135666410147. The next prime is 135666410227. The reversal of 135666410155 is 551014666531.

It is not a de Polignac number, because 135666410155 - 2³ = 135666410147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2855424 + ... + 2902546.

It is an arithmetic number, because the mean of its divisors is an integer number (10392538464).

Almost surely, 2^135666410155 is an apocalyptic number.

135666410155 is a deficient number, since it is larger than the sum of its proper divisors (30614205269).

135666410155 is a wasteful number, since it uses less digits than its factorization.

135666410155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59426.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 135666410155 in words is "one hundred thirty-five billion, six hundred sixty-six million, four hundred ten thousand, one hundred fifty-five".