135797155 has 16 divisors (see below), whose sum is σ = 177901920. Its totient is φ = 98903808.

The previous prime is 135797153. The next prime is 135797159. The reversal of 135797155 is 551797531.

It is a cyclic number.

It is not a de Polignac number, because 135797155 - 2¹ = 135797153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135797153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9565 + ... + 19054.

It is an arithmetic number, because the mean of its divisors is an integer number (11118870).

Almost surely, 2^135797155 is an apocalyptic number.

135797155 is a deficient number, since it is larger than the sum of its proper divisors (42104765).

135797155 is a wasteful number, since it uses less digits than its factorization.

135797155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28710.

The product of its digits is 165375, while the sum is 43.

The square root of 135797155 is about 11653.2036367687. The cubic root of 135797155 is about 514.0005185539. Note that the first 3 decimals are identical.

The spelling of 135797155 in words is "one hundred thirty-five million, seven hundred ninety-seven thousand, one hundred fifty-five".