1140591522 has 48 divisors (see below), whose sum is σ = 2670013152. Its totient is φ = 323870400.

The previous prime is 1140591467. The next prime is 1140591533. The reversal of 1140591522 is 2251950411.

It is a self number, because there is not a number n which added to its sum of digits gives 1140591522.

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, 36022 + ... + 59822.

It is an arithmetic number, because the mean of its divisors is an integer number (55625274).

Almost surely, 2^1140591522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140591522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1335006576).

1140591522 is an abundant number, since it is smaller than the sum of its proper divisors (1529421630).

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

1140591522 is a wasteful number, since it uses less digits than its factorization.

1140591522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23983 (or 23976 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 1140591522 is about 33772.6445810807. The cubic root of 1140591522 is about 1044.8245768278.

The spelling of 1140591522 in words is "one billion, one hundred forty million, five hundred ninety-one thousand, five hundred twenty-two".