245130135504123 has 16 divisors (see below), whose sum is σ = 332199331382016. Its totient is φ = 160740532964640.

The previous prime is 245130135504119. The next prime is 245130135504139. The reversal of 245130135504123 is 321405531031542.

It is not a de Polignac number, because 245130135504123 - 2² = 245130135504119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245130135504193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56626786 + ... + 60801752.

It is an arithmetic number, because the mean of its divisors is an integer number (20762458211376).

Almost surely, 2^{245130135504123} is an apocalyptic number.

245130135504123 is a deficient number, since it is larger than the sum of its proper divisors (87069195877893).

245130135504123 is a wasteful number, since it uses less digits than its factorization.

245130135504123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4495874.

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 245130135504123 its reverse (321405531031542), we get a palindrome (566535666535665).

The spelling of 245130135504123 in words is "two hundred forty-five trillion, one hundred thirty billion, one hundred thirty-five million, five hundred four thousand, one hundred twenty-three".