1140437815 has 16 divisors (see below), whose sum is σ = 1493614080. Its totient is φ = 829033120.

The previous prime is 1140437797. The next prime is 1140437821. The reversal of 1140437815 is 5187340411.

It is not a de Polignac number, because 1140437815 - 2¹⁵ = 1140405047 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 191046 + ... + 196924.

It is an arithmetic number, because the mean of its divisors is an integer number (93350880).

Almost surely, 2^1140437815 is an apocalyptic number.

1140437815 is a deficient number, since it is larger than the sum of its proper divisors (353176265).

1140437815 is a wasteful number, since it uses less digits than its factorization.

1140437815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9422.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 1140437815 is about 33770.3688904933. The cubic root of 1140437815 is about 1044.7776409287. Note that the first 3 decimals are identical.

The spelling of 1140437815 in words is "one billion, one hundred forty million, four hundred thirty-seven thousand, eight hundred fifteen".