1140542119 has 4 divisors (see below), whose sum is σ = 1141194496. Its totient is φ = 1139889744.

The previous prime is 1140542113. The next prime is 1140542129. The reversal of 1140542119 is 9112450411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9112450411 = 1163 ⋅7835297.

It is a cyclic number.

It is not a de Polignac number, because 1140542119 - 2¹⁵ = 1140509351 is a prime.

It is a super-2 number, since 2×1140542119² = 2601672650426020322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140542113) 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, 323559 + ... + 327064.

It is an arithmetic number, because the mean of its divisors is an integer number (285298624).

Almost surely, 2^1140542119 is an apocalyptic number.

1140542119 is a deficient number, since it is larger than the sum of its proper divisors (652377).

1140542119 is an equidigital number, since it uses as much as digits as its factorization.

1140542119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652376.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1140542119 is about 33771.9131676013. The cubic root of 1140542119 is about 1044.8094916102.

The spelling of 1140542119 in words is "one billion, one hundred forty million, five hundred forty-two thousand, one hundred nineteen".