135146123 has 8 divisors (see below), whose sum is σ = 156045792. Its totient is φ = 114644736.

The previous prime is 135146113. The next prime is 135146147. The reversal of 135146123 is 321641531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135146123 - 2²⁶ = 68037259 is a prime.

It is a super-2 number, since 2×135146123² = 36528949123862258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135146092 and 135146101.

It is not an unprimeable number, because it can be changed into a prime (135146113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98840 + ... + 100197.

It is an arithmetic number, because the mean of its divisors is an integer number (19505724).

Almost surely, 2^135146123 is an apocalyptic number.

135146123 is a deficient number, since it is larger than the sum of its proper divisors (20899669).

135146123 is an equidigital number, since it uses as much as digits as its factorization.

135146123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199141.

The product of its digits is 2160, while the sum is 26.

The square root of 135146123 is about 11625.2364707132. The cubic root of 135146123 is about 513.1778037942.

Adding to 135146123 its reverse (321641531), we get a palindrome (456787654).

It can be divided in two parts, 1351 and 46123, that added together give a palindrome (47474).

The spelling of 135146123 in words is "one hundred thirty-five million, one hundred forty-six thousand, one hundred twenty-three".