1438913135 has 16 divisors (see below), whose sum is σ = 1885455360. Its totient is φ = 1045489440.

The previous prime is 1438913129. The next prime is 1438913153. The reversal of 1438913135 is 5313198341.

It is not a de Polignac number, because 1438913135 - 2¹² = 1438909039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48806 + ... + 72524.

It is an arithmetic number, because the mean of its divisors is an integer number (117840960).

Almost surely, 2^1438913135 is an apocalyptic number.

1438913135 is a deficient number, since it is larger than the sum of its proper divisors (446542225).

1438913135 is a wasteful number, since it uses less digits than its factorization.

1438913135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24838.

The product of its digits is 38880, while the sum is 38.

The square root of 1438913135 is about 37933.0085150124. The cubic root of 1438913135 is about 1128.9590578374.

The spelling of 1438913135 in words is "one billion, four hundred thirty-eight million, nine hundred thirteen thousand, one hundred thirty-five".