1140540005 has 8 divisors (see below), whose sum is σ = 1493070624. Its totient is φ = 829483600.

The previous prime is 1140540001. The next prime is 1140540007. The reversal of 1140540005 is 5000450411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1140540005 - 2² = 1140540001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140540001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10368491 + ... + 10368600.

It is an arithmetic number, because the mean of its divisors is an integer number (186633828).

Almost surely, 2^1140540005 is an apocalyptic number.

It is an amenable number.

1140540005 is a deficient number, since it is larger than the sum of its proper divisors (352530619).

1140540005 is a wasteful number, since it uses less digits than its factorization.

1140540005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20737107.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1140540005 is about 33771.8818693895. The cubic root of 1140540005 is about 1044.8088460901.

Adding to 1140540005 its reverse (5000450411), we get a palindrome (6140990416).

It can be divided in two parts, 1140 and 540005, that added together give a palindrome (541145).

The spelling of 1140540005 in words is "one billion, one hundred forty million, five hundred forty thousand, five".