1140299273 has 4 divisors (see below), whose sum is σ = 1146669840. Its totient is φ = 1133928708.

The previous prime is 1140299243. The next prime is 1140299287. The reversal of 1140299273 is 3729920411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1140299273 - 2¹⁰ = 1140298249 is a prime.

It is a super-3 number, since 3×1140299273³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140299243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3185015 + ... + 3185372.

It is an arithmetic number, because the mean of its divisors is an integer number (286667460).

Almost surely, 2^1140299273 is an apocalyptic number.

It is an amenable number.

1140299273 is a deficient number, since it is larger than the sum of its proper divisors (6370567).

1140299273 is an equidigital number, since it uses as much as digits as its factorization.

1140299273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6370566.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 1140299273 is about 33768.3175920862. The cubic root of 1140299273 is about 1044.7353321932.

The spelling of 1140299273 in words is "one billion, one hundred forty million, two hundred ninety-nine thousand, two hundred seventy-three".