1066234139 has 2 divisors, whose sum is σ = 1066234140. Its totient is φ = 1066234138.

The previous prime is 1066234133. The next prime is 1066234157. The reversal of 1066234139 is 9314326601.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1066234139 is a prime.

It is a super-2 number, since 2×1066234139² = 2273710478338142642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066234099 and 1066234108.

It is not a weakly prime, because it can be changed into another prime (1066234133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533117069 + 533117070.

It is an arithmetic number, because the mean of its divisors is an integer number (533117070).

Almost surely, 2^1066234139 is an apocalyptic number.

1066234139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066234139 is an equidigital number, since it uses as much as digits as its factorization.

1066234139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 1066234139 is about 32653.2408651883. The cubic root of 1066234139 is about 1021.6077870076.

The spelling of 1066234139 in words is "one billion, sixty-six million, two hundred thirty-four thousand, one hundred thirty-nine".