135516949155 has 80 divisors (see below), whose sum is σ = 278265461760. Its totient is φ = 61808920128.

The previous prime is 135516949147. The next prime is 135516949189. The reversal of 135516949155 is 551949615531.

It is a happy number.

135516949155 is a `hidden beast` number, since 1 + 35 + 516 + 9 + 4 + 91 + 5 + 5 = 666.

It is not a de Polignac number, because 135516949155 - 2³ = 135516949147 is a prime.

It is an unprimeable number.

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 in 79 ways as a sum of consecutive naturals, for example, 1190122 + ... + 1299008.

It is an arithmetic number, because the mean of its divisors is an integer number (3478318272).

Almost surely, 2^135516949155 is an apocalyptic number.

135516949155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135516949155 is an abundant number, since it is smaller than the sum of its proper divisors (142748512605).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135516949155 is a wasteful number, since it uses less digits than its factorization.

135516949155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109350 (or 109341 counting only the distinct ones).

The product of its digits is 3645000, while the sum is 54.

The spelling of 135516949155 in words is "one hundred thirty-five billion, five hundred sixteen million, nine hundred forty-nine thousand, one hundred fifty-five".