1436231144 has 16 divisors (see below), whose sum is σ = 2695022820. Its totient is φ = 717558400.

The previous prime is 1436231101. The next prime is 1436231149. The reversal of 1436231144 is 4411326341.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 798062500 + 638168644 = 28250^2 + 25262^2 .

It is not an unprimeable number, because it can be changed into a prime (1436231149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58589 + ... + 79404.

Almost surely, 2^1436231144 is an apocalyptic number.

It is an amenable number.

1436231144 is a deficient number, since it is larger than the sum of its proper divisors (1258791676).

1436231144 is a wasteful number, since it uses less digits than its factorization.

1436231144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139300 (or 139296 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 1436231144 is about 37897.6403487077. The cubic root of 1436231144 is about 1128.2571991177.

Adding to 1436231144 its reverse (4411326341), we get a palindrome (5847557485).

The spelling of 1436231144 in words is "one billion, four hundred thirty-six million, two hundred thirty-one thousand, one hundred forty-four".