1214141389 has 2 divisors, whose sum is σ = 1214141390. Its totient is φ = 1214141388.

The previous prime is 1214141317. The next prime is 1214141399. The reversal of 1214141389 is 9831414121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 780252489 + 433888900 = 27933^2 + 20830^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1214141389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214141399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607070694 + 607070695.

It is an arithmetic number, because the mean of its divisors is an integer number (607070695).

Almost surely, 2^1214141389 is an apocalyptic number.

It is an amenable number.

1214141389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214141389 is an equidigital number, since it uses as much as digits as its factorization.

1214141389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 34.

The square root of 1214141389 is about 34844.5316943706. The cubic root of 1214141389 is about 1066.8165751007.

The spelling of 1214141389 in words is "one billion, two hundred fourteen million, one hundred forty-one thousand, three hundred eighty-nine".