274531261136 has 40 divisors (see below), whose sum is σ = 610799224800. Its totient is φ = 118219201920.

The previous prime is 274531261133. The next prime is 274531261171. The reversal of 274531261136 is 631162135472.

It is a junction number, because it is equal to n+sod(n) for n = 274531261093 and 274531261102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274531261133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41044991 + ... + 41051678.

It is an arithmetic number, because the mean of its divisors is an integer number (15269980620).

Almost surely, 2^274531261136 is an apocalyptic number.

It is an amenable number.

274531261136 is an abundant number, since it is smaller than the sum of its proper divisors (336267963664).

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

274531261136 is a wasteful number, since it uses less digits than its factorization.

274531261136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82096707 (or 82096701 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The spelling of 274531261136 in words is "two hundred seventy-four billion, five hundred thirty-one million, two hundred sixty-one thousand, one hundred thirty-six".