1438086128 has 10 divisors (see below), whose sum is σ = 2786291904. Its totient is φ = 719043056.

The previous prime is 1438086121. The next prime is 1438086131. The reversal of 1438086128 is 8216808341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438086121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44940176 + ... + 44940207.

Almost surely, 2^1438086128 is an apocalyptic number.

It is an amenable number.

1438086128 is a deficient number, since it is larger than the sum of its proper divisors (1348205776).

1438086128 is an equidigital number, since it uses as much as digits as its factorization.

1438086128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89880391 (or 89880385 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 1438086128 is about 37922.1060596587. The cubic root of 1438086128 is about 1128.7427288250.

The spelling of 1438086128 in words is "one billion, four hundred thirty-eight million, eighty-six thousand, one hundred twenty-eight".