135123130 has 8 divisors (see below), whose sum is σ = 243221652. Its totient is φ = 54049248.

The previous prime is 135123119. The next prime is 135123133. The reversal of 135123130 is 31321531.

It can be written as a sum of positive squares in 2 ways, for example, as 131951169 + 3171961 = 11487^2 + 1781^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 135123098 and 135123107.

It is not an unprimeable number, because it can be changed into a prime (135123133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6756147 + ... + 6756166.

Almost surely, 2^135123130 is an apocalyptic number.

135123130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135123130 is a deficient number, since it is larger than the sum of its proper divisors (108098522).

135123130 is a wasteful number, since it uses less digits than its factorization.

135123130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13512320.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 135123130 is about 11624.2475025268. The cubic root of 135123130 is about 513.1486990834.

Adding to 135123130 its reverse (31321531), we get a palindrome (166444661).

The spelling of 135123130 in words is "one hundred thirty-five million, one hundred twenty-three thousand, one hundred thirty".