1131340140540 has 72 divisors (see below), whose sum is σ = 3504747355200. Its totient is φ = 295271750784.

The previous prime is 1131340140467. The next prime is 1131340140551. The reversal of 1131340140540 is 450410431311.

1131340140540 is a `hidden beast` number, since 1 + 131 + 340 + 140 + 54 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66855615 + ... + 66872534.

It is an arithmetic number, because the mean of its divisors is an integer number (48677046600).

Almost surely, 2^{1131340140540} is an apocalyptic number.

1131340140540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131340140540 is an abundant number, since it is smaller than the sum of its proper divisors (2373407214660).

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

1131340140540 is a wasteful number, since it uses less digits than its factorization.

1131340140540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133728211 (or 133728206 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 1131340140540 its reverse (450410431311), we get a palindrome (1581750571851).

The spelling of 1131340140540 in words is "one trillion, one hundred thirty-one billion, three hundred forty million, one hundred forty thousand, five hundred forty".