1142365309 has 2 divisors, whose sum is σ = 1142365310. Its totient is φ = 1142365308.

The previous prime is 1142365243. The next prime is 1142365313. The reversal of 1142365309 is 9035632411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1139400025 + 2965284 = 33755^2 + 1722^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142365309 - 2²⁹ = 605494397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142365369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571182654 + 571182655.

It is an arithmetic number, because the mean of its divisors is an integer number (571182655).

Almost surely, 2^1142365309 is an apocalyptic number.

It is an amenable number.

1142365309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142365309 is an equidigital number, since it uses as much as digits as its factorization.

1142365309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 1142365309 is about 33798.8950854906. The cubic root of 1142365309 is about 1045.3659147591.

The spelling of 1142365309 in words is "one billion, one hundred forty-two million, three hundred sixty-five thousand, three hundred nine".