135511083 has 8 divisors (see below), whose sum is σ = 200757200. Its totient is φ = 90340704.

The previous prime is 135511081. The next prime is 135511087. The reversal of 135511083 is 380115531.

135511083 is a `hidden beast` number, since 1 + 3 + 551 + 108 + 3 = 666.

It is not a de Polignac number, because 135511083 - 2¹ = 135511081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 5018929 = 135511083 / (1 + 3 + 5 + 5 + 1 + 1 + 0 + 8 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135511081) 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 7 ways as a sum of consecutive naturals, for example, 2509438 + ... + 2509491.

It is an arithmetic number, because the mean of its divisors is an integer number (25094650).

Almost surely, 2^135511083 is an apocalyptic number.

135511083 is a deficient number, since it is larger than the sum of its proper divisors (65246117).

135511083 is an equidigital number, since it uses as much as digits as its factorization.

135511083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5018938 (or 5018932 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 135511083 is about 11640.9227727015. The cubic root of 135511083 is about 513.6393314822.

The spelling of 135511083 in words is "one hundred thirty-five million, five hundred eleven thousand, eighty-three".