1438485554136 has 64 divisors (see below), whose sum is σ = 3631095468000. Its totient is φ = 474863413248.

The previous prime is 1438485554101. The next prime is 1438485554161. The reversal of 1438485554136 is 6314555848341.

It is a congruent number.

It is an unprimeable number.

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, 608286 + ... + 1801938.

Almost surely, 2^{1438485554136} is an apocalyptic number.

It is an amenable number.

1438485554136 is an abundant number, since it is smaller than the sum of its proper divisors (2192609913864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1438485554136 is a wasteful number, since it uses less digits than its factorization.

1438485554136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194148 (or 1194144 counting only the distinct ones).

The product of its digits is 27648000, while the sum is 57.

The spelling of 1438485554136 in words is "one trillion, four hundred thirty-eight billion, four hundred eighty-five million, five hundred fifty-four thousand, one hundred thirty-six".