1354637444 has 12 divisors (see below), whose sum is σ = 2452361100. Its totient is φ = 653962848.

The previous prime is 1354637443. The next prime is 1354637447. The reversal of 1354637444 is 4447364531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 442597444 + 912040000 = 21038^2 + 30200^2 .

It is not an unprimeable number, because it can be changed into a prime (1354637443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5838839 + ... + 5839070.

It is an arithmetic number, because the mean of its divisors is an integer number (204363425).

Almost surely, 2^1354637444 is an apocalyptic number.

It is an amenable number.

1354637444 is a deficient number, since it is larger than the sum of its proper divisors (1097723656).

1354637444 is a wasteful number, since it uses less digits than its factorization.

1354637444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11677942 (or 11677940 counting only the distinct ones).

The product of its digits is 483840, while the sum is 41.

The square root of 1354637444 is about 36805.3996582023. The cubic root of 1354637444 is about 1106.4735210335.

The spelling of 1354637444 in words is "one billion, three hundred fifty-four million, six hundred thirty-seven thousand, four hundred forty-four".