5135123142 has 24 divisors (see below), whose sum is σ = 11538179016. Its totient is φ = 1711707552.

The previous prime is 5135123137. The next prime is 5135123183. The reversal of 5135123142 is 2413215315.

5135123142 is a `hidden beast` number, since 5 + 1 + 3 + 512 + 3 + 142 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5282563 + ... + 5283534.

It is an arithmetic number, because the mean of its divisors is an integer number (480757459).

Almost surely, 2^5135123142 is an apocalyptic number.

5135123142 is an abundant number, since it is smaller than the sum of its proper divisors (6403055874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5135123142 is a wasteful number, since it uses less digits than its factorization.

5135123142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10566114 (or 10566102 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 5135123142 is about 71659.7735274122. The cubic root of 5135123142 is about 1725.2430538427.

Adding to 5135123142 its reverse (2413215315), we get a palindrome (7548338457).

The spelling of 5135123142 in words is "five billion, one hundred thirty-five million, one hundred twenty-three thousand, one hundred forty-two".