1140435141 has 4 divisors (see below), whose sum is σ = 1520580192. Its totient is φ = 760290092.

The previous prime is 1140435139. The next prime is 1140435143. The reversal of 1140435141 is 1415340411.

It is a happy number.

1140435141 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1415340411 = 3 ⋅471780137.

It is an interprime number because it is at equal distance from previous prime (1140435139) and next prime (1140435143).

It is a cyclic number.

It is not a de Polignac number, because 1140435141 - 2¹ = 1140435139 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140435143) 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, 190072521 + ... + 190072526.

It is an arithmetic number, because the mean of its divisors is an integer number (380145048).

Almost surely, 2^1140435141 is an apocalyptic number.

It is an amenable number.

1140435141 is a deficient number, since it is larger than the sum of its proper divisors (380145051).

1140435141 is an equidigital number, since it uses as much as digits as its factorization.

1140435141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380145050.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1140435141 is about 33770.3292995493. The cubic root of 1140435141 is about 1044.7768243599.

Adding to 1140435141 its reverse (1415340411), we get a palindrome (2555775552).

The spelling of 1140435141 in words is "one billion, one hundred forty million, four hundred thirty-five thousand, one hundred forty-one".