265140126113634 has 192 divisors, whose sum is σ = 607483760083200. Its totient is φ = 83411307657216.

The previous prime is 265140126113623. The next prime is 265140126113671. The reversal of 265140126113634 is 436311621041562.

265140126113634 is a `hidden beast` number, since 2 + 6 + 5 + 1 + 4 + 0 + 1 + 2 + 6 + 1 + 1 + 3 + 634 = 666.

265140126113634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 265140126113634.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10833973222 + ... + 10833997694.

It is an arithmetic number, because the mean of its divisors is an integer number (3163977917100).

Almost surely, 2^{265140126113634} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265140126113634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303741880041600).

265140126113634 is an abundant number, since it is smaller than the sum of its proper divisors (342343633969566).

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

265140126113634 is a wasteful number, since it uses less digits than its factorization.

265140126113634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25609 (or 25606 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 265140126113634 in words is "two hundred sixty-five trillion, one hundred forty billion, one hundred twenty-six million, one hundred thirteen thousand, six hundred thirty-four".