1140711390 has 256 divisors, whose sum is σ = 3965552640. Its totient is φ = 226437120.

The previous prime is 1140711349. The next prime is 1140711391. The reversal of 1140711390 is 931170411.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140711391) 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 127 ways as a sum of consecutive naturals, for example, 416325 + ... + 419055.

It is an arithmetic number, because the mean of its divisors is an integer number (15490440).

Almost surely, 2^1140711390 is an apocalyptic number.

1140711390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140711390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1982776320).

1140711390 is an abundant number, since it is smaller than the sum of its proper divisors (2824841250).

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

1140711390 is a wasteful number, since it uses less digits than its factorization.

1140711390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784 (or 2778 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 1140711390 is about 33774.4191659901. The cubic root of 1140711390 is about 1044.8611767390.

The spelling of 1140711390 in words is "one billion, one hundred forty million, seven hundred eleven thousand, three hundred ninety".