1140434339557 has 8 divisors (see below), whose sum is σ = 1147059702360. Its totient is φ = 1133809359360.

The previous prime is 1140434339543. The next prime is 1140434339581. The reversal of 1140434339557 is 7559334340411.

It can be written as a sum of positive squares in 4 ways, for example, as 429707781441 + 710726558116 = 655521^2 + 843046^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1140434339557 - 2³⁵ = 1106074601189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1140434339557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140434331557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7739869 + ... + 7885837.

It is an arithmetic number, because the mean of its divisors is an integer number (143382462795).

Almost surely, 2^{1140434339557} is an apocalyptic number.

It is an amenable number.

1140434339557 is a deficient number, since it is larger than the sum of its proper divisors (6625362803).

1140434339557 is a wasteful number, since it uses less digits than its factorization.

1140434339557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191303.

The product of its (nonzero) digits is 2721600, while the sum is 49.

Adding to 1140434339557 its reverse (7559334340411), we get a palindrome (8699768679968).

The spelling of 1140434339557 in words is "one trillion, one hundred forty billion, four hundred thirty-four million, three hundred thirty-nine thousand, five hundred fifty-seven".