1013340389 has 2 divisors, whose sum is σ = 1013340390. Its totient is φ = 1013340388.

The previous prime is 1013340353. The next prime is 1013340401. The reversal of 1013340389 is 9830433101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 992565025 + 20775364 = 31505^2 + 4558^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013340389 - 2¹⁶ = 1013274853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013340589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506670194 + 506670195.

It is an arithmetic number, because the mean of its divisors is an integer number (506670195).

Almost surely, 2^1013340389 is an apocalyptic number.

It is an amenable number.

1013340389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013340389 is an equidigital number, since it uses as much as digits as its factorization.

1013340389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 1013340389 is about 31833.0078534844. The cubic root of 1013340389 is about 1004.4271675965.

The spelling of 1013340389 in words is "one billion, thirteen million, three hundred forty thousand, three hundred eighty-nine".