265313126130126 has 16 divisors (see below), whose sum is σ = 530732398800000. Its totient is φ = 88420017620088.

The previous prime is 265313126130103. The next prime is 265313126130139. The reversal of 265313126130126 is 621031621313562.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4422739996 + ... + 4422799983.

It is an arithmetic number, because the mean of its divisors is an integer number (33170774925000).

Almost surely, 2^{265313126130126} is an apocalyptic number.

265313126130126 is an abundant number, since it is smaller than the sum of its proper divisors (265419272669874).

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

265313126130126 is a wasteful number, since it uses less digits than its factorization.

265313126130126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8845544983.

The product of its (nonzero) digits is 233280, while the sum is 42.

Adding to 265313126130126 its reverse (621031621313562), we get a palindrome (886344747443688).

The spelling of 265313126130126 in words is "two hundred sixty-five trillion, three hundred thirteen billion, one hundred twenty-six million, one hundred thirty thousand, one hundred twenty-six".