1140435215 has 16 divisors (see below), whose sum is σ = 1378308096. Its totient is φ = 905844000.

The previous prime is 1140435181. The next prime is 1140435217. The reversal of 1140435215 is 5125340411.

1140435215 = T₂₅₄ + T₂₅₅ + ... + T₁₈₉₉.

It is not a de Polignac number, because 1140435215 - 2¹⁴ = 1140418831 is a prime.

It is a super-2 number, since 2×1140435215² = 2601184959224192450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140435217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 785240 + ... + 786690.

It is an arithmetic number, because the mean of its divisors is an integer number (86144256).

Almost surely, 2^1140435215 is an apocalyptic number.

1140435215 is a deficient number, since it is larger than the sum of its proper divisors (237872881).

1140435215 is a wasteful number, since it uses less digits than its factorization.

1140435215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1140435215 is about 33770.3303951857. The cubic root of 1140435215 is about 1044.7768469576.

Adding to 1140435215 its reverse (5125340411), we get a palindrome (6265775626).

The spelling of 1140435215 in words is "one billion, one hundred forty million, four hundred thirty-five thousand, two hundred fifteen".