1140341155 has 4 divisors (see below), whose sum is σ = 1368409392. Its totient is φ = 912272920.

The previous prime is 1140341149. The next prime is 1140341197. The reversal of 1140341155 is 5511430411.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-1140341155 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114034111 + ... + 114034120.

It is an arithmetic number, because the mean of its divisors is an integer number (342102348).

Almost surely, 2^1140341155 is an apocalyptic number.

1140341155 is a deficient number, since it is larger than the sum of its proper divisors (228068237).

1140341155 is an equidigital number, since it uses as much as digits as its factorization.

1140341155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228068236.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1140341155 is about 33768.9377238906. The cubic root of 1140341155 is about 1044.7481227154.

Adding to 1140341155 its reverse (5511430411), we get a palindrome (6651771566).

The spelling of 1140341155 in words is "one billion, one hundred forty million, three hundred forty-one thousand, one hundred fifty-five".