1342496189 has 2 divisors, whose sum is σ = 1342496190. Its totient is φ = 1342496188.

The previous prime is 1342496179. The next prime is 1342496191. The reversal of 1342496189 is 9816942431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 802305625 + 540190564 = 28325^2 + 23242^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1342496189 is a prime.

Together with 1342496191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342496179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671248094 + 671248095.

It is an arithmetic number, because the mean of its divisors is an integer number (671248095).

Almost surely, 2^1342496189 is an apocalyptic number.

It is an amenable number.

1342496189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342496189 is an equidigital number, since it uses as much as digits as its factorization.

1342496189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 47.

The square root of 1342496189 is about 36640.0899152827. The cubic root of 1342496189 is about 1103.1579196697.

The spelling of 1342496189 in words is "one billion, three hundred forty-two million, four hundred ninety-six thousand, one hundred eighty-nine".