1357034389 has 2 divisors, whose sum is σ = 1357034390. Its totient is φ = 1357034388.

The previous prime is 1357034387. The next prime is 1357034411. The reversal of 1357034389 is 9834307531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 694744164 + 662290225 = 26358^2 + 25735^2 .

It is an emirp because it is prime and its reverse (9834307531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1357034389 - 2¹ = 1357034387 is a prime.

Together with 1357034387, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1357034383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678517194 + 678517195.

It is an arithmetic number, because the mean of its divisors is an integer number (678517195).

Almost surely, 2^1357034389 is an apocalyptic number.

It is an amenable number.

1357034389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1357034389 is an equidigital number, since it uses as much as digits as its factorization.

1357034389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 1357034389 is about 36837.9476762753. The cubic root of 1357034389 is about 1107.1257480549.

The spelling of 1357034389 in words is "one billion, three hundred fifty-seven million, thirty-four thousand, three hundred eighty-nine".