1140272289 has 48 divisors (see below), whose sum is σ = 1920240000. Its totient is φ = 664700256.

The previous prime is 1140272269. The next prime is 1140272293. The reversal of 1140272289 is 9822720411.

It is a de Polignac number, because none of the positive numbers 2^k-1140272289 is a prime.

It is a super-2 number, since 2×1140272289² = 2600441786122599042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1140272269) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122212 + ... + 131210.

It is an arithmetic number, because the mean of its divisors is an integer number (40005000).

Almost surely, 2^1140272289 is an apocalyptic number.

1140272289 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1140272289 is a deficient number, since it is larger than the sum of its proper divisors (779967711).

1140272289 is a wasteful number, since it uses less digits than its factorization.

1140272289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9059 (or 9034 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1140272289 is about 33767.9180436106. The cubic root of 1140272289 is about 1044.7270912687.

The spelling of 1140272289 in words is "one billion, one hundred forty million, two hundred seventy-two thousand, two hundred eighty-nine".