1140505742 has 8 divisors (see below), whose sum is σ = 1800798600. Its totient is φ = 540239544.

The previous prime is 1140505711. The next prime is 1140505747. The reversal of 1140505742 is 2475050411.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140505747) 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, 15006617 + ... + 15006692.

It is an arithmetic number, because the mean of its divisors is an integer number (225099825).

Almost surely, 2^1140505742 is an apocalyptic number.

1140505742 is a deficient number, since it is larger than the sum of its proper divisors (660292858).

1140505742 is a wasteful number, since it uses less digits than its factorization.

1140505742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30013330.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 1140505742 is about 33771.3745944698. The cubic root of 1140505742 is about 1044.7983836063.

The spelling of 1140505742 in words is "one billion, one hundred forty million, five hundred five thousand, seven hundred forty-two".