1374550189 has 2 divisors, whose sum is σ = 1374550190. Its totient is φ = 1374550188.

The previous prime is 1374550183. The next prime is 1374550201. The reversal of 1374550189 is 9810554731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 825585289 + 548964900 = 28733^2 + 23430^2 .

It is an emirp because it is prime and its reverse (9810554731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1374550189 - 2²¹ = 1372453037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1374550183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687275094 + 687275095.

It is an arithmetic number, because the mean of its divisors is an integer number (687275095).

Almost surely, 2^1374550189 is an apocalyptic number.

It is an amenable number.

1374550189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1374550189 is an equidigital number, since it uses as much as digits as its factorization.

1374550189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 1374550189 is about 37074.9266890711. The cubic root of 1374550189 is about 1111.8687750042.

The spelling of 1374550189 in words is "one billion, three hundred seventy-four million, five hundred fifty thousand, one hundred eighty-nine".