1331134454 has 32 divisors (see below), whose sum is σ = 2215231200. Its totient is φ = 595987200.

The previous prime is 1331134439. The next prime is 1331134457. The reversal of 1331134454 is 4544311331.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331134457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189497 + ... + 196395.

It is an arithmetic number, because the mean of its divisors is an integer number (69225975).

Almost surely, 2^1331134454 is an apocalyptic number.

1331134454 is a deficient number, since it is larger than the sum of its proper divisors (884096746).

1331134454 is a wasteful number, since it uses less digits than its factorization.

1331134454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7136.

The product of its digits is 8640, while the sum is 29.

The square root of 1331134454 is about 36484.7153476631. The cubic root of 1331134454 is about 1100.0370384223.

Adding to 1331134454 its reverse (4544311331), we get a palindrome (5875445785).

The spelling of 1331134454 in words is "one billion, three hundred thirty-one million, one hundred thirty-four thousand, four hundred fifty-four".