135706155 has 96 divisors (see below), whose sum is σ = 258038784. Its totient is φ = 60622848.

The previous prime is 135706093. The next prime is 135706157. The reversal of 135706155 is 551607531.

It is not a de Polignac number, because 135706155 - 2⁶ = 135706091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135706157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2025432 + ... + 2025498.

It is an arithmetic number, because the mean of its divisors is an integer number (2687904).

Almost surely, 2^135706155 is an apocalyptic number.

135706155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135706155 is a deficient number, since it is larger than the sum of its proper divisors (122332629).

135706155 is a wasteful number, since it uses less digits than its factorization.

135706155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 33.

The square root of 135706155 is about 11649.2984767324. The cubic root of 135706155 is about 513.8856793804.

The spelling of 135706155 in words is "one hundred thirty-five million, seven hundred six thousand, one hundred fifty-five".