1140194774 has 4 divisors (see below), whose sum is σ = 1710292164. Its totient is φ = 570097386.

The previous prime is 1140194773. The next prime is 1140194779. The reversal of 1140194774 is 4774910411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4774910411 = 17 ⋅280877083.

It is a super-2 number, since 2×1140194774² = 2600088245313822152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140194773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285048692 + ... + 285048695.

It is an arithmetic number, because the mean of its divisors is an integer number (427573041).

Almost surely, 2^1140194774 is an apocalyptic number.

1140194774 is a deficient number, since it is larger than the sum of its proper divisors (570097390).

1140194774 is an equidigital number, since it uses as much as digits as its factorization.

1140194774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570097389.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 1140194774 is about 33766.7702630856. The cubic root of 1140194774 is about 1044.7034174333.

The spelling of 1140194774 in words is "one billion, one hundred forty million, one hundred ninety-four thousand, seven hundred seventy-four".