9121134034140 has 48 divisors (see below), whose sum is σ = 25539718932000. Its totient is φ = 2432250634240.

The previous prime is 9121134034139. The next prime is 9121134034147. The reversal of 9121134034140 is 414304311219.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9121134034147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1266736 + ... + 4454984.

It is an arithmetic number, because the mean of its divisors is an integer number (532077477750).

Almost surely, 2^{9121134034140} is an apocalyptic number.

It is an amenable number.

9121134034140 is an abundant number, since it is smaller than the sum of its proper divisors (16418584897860).

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

9121134034140 is a wasteful number, since it uses less digits than its factorization.

9121134034140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235942 (or 3235940 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

Adding to 9121134034140 its reverse (414304311219), we get a palindrome (9535438345359).

The spelling of 9121134034140 in words is "nine trillion, one hundred twenty-one billion, one hundred thirty-four million, thirty-four thousand, one hundred forty".