1140142229 has 2 divisors, whose sum is σ = 1140142230. Its totient is φ = 1140142228.

The previous prime is 1140142219. The next prime is 1140142303. The reversal of 1140142229 is 9222410411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1095279025 + 44863204 = 33095^2 + 6698^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140142229 - 2²⁴ = 1123365013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1140142198 and 1140142207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140142219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570071114 + 570071115.

It is an arithmetic number, because the mean of its divisors is an integer number (570071115).

Almost surely, 2^1140142229 is an apocalyptic number.

It is an amenable number.

1140142229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140142229 is an equidigital number, since it uses as much as digits as its factorization.

1140142229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1140142229 is about 33765.9921962912. The cubic root of 1140142229 is about 1044.6873690687.

The spelling of 1140142229 in words is "one billion, one hundred forty million, one hundred forty-two thousand, two hundred twenty-nine".