1436228189 has 8 divisors (see below), whose sum is σ = 1582007232. Its totient is φ = 1292984640.

The previous prime is 1436228179. The next prime is 1436228239. The reversal of 1436228189 is 9818226341.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1436228189 - 2¹² = 1436224093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1436228179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632684 + ... + 634949.

It is an arithmetic number, because the mean of its divisors is an integer number (197750904).

Almost surely, 2^1436228189 is an apocalyptic number.

It is an amenable number.

1436228189 is a deficient number, since it is larger than the sum of its proper divisors (145779043).

1436228189 is a wasteful number, since it uses less digits than its factorization.

1436228189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267747.

The product of its digits is 165888, while the sum is 44.

The square root of 1436228189 is about 37897.6013620915. The cubic root of 1436228189 is about 1128.2564253328.

The spelling of 1436228189 in words is "one billion, four hundred thirty-six million, two hundred twenty-eight thousand, one hundred eighty-nine".