1438045136 has 20 divisors (see below), whose sum is σ = 3039504864. Its totient is φ = 653656800.

The previous prime is 1438045129. The next prime is 1438045151. The reversal of 1438045136 is 6315408341.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1438045096 and 1438045105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4085180 + ... + 4085531.

Almost surely, 2^1438045136 is an apocalyptic number.

1438045136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1438045136 is an abundant number, since it is smaller than the sum of its proper divisors (1601459728).

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

1438045136 is a wasteful number, since it uses less digits than its factorization.

1438045136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8170730 (or 8170724 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 1438045136 is about 37921.5655794958. The cubic root of 1438045136 is about 1128.7320039547.

The spelling of 1438045136 in words is "one billion, four hundred thirty-eight million, forty-five thousand, one hundred thirty-six".