1352987987838 has 16 divisors (see below), whose sum is σ = 2706038015616. Its totient is φ = 450985655960.

The previous prime is 1352987987837. The next prime is 1352987987839. The reversal of 1352987987838 is 8387897892531.

It is an interprime number because it is at equal distance from previous prime (1352987987837) and next prime (1352987987839).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352987987837) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2299056 + ... + 2826947.

It is an arithmetic number, because the mean of its divisors is an integer number (169127375976).

Almost surely, 2^{1352987987838} is an apocalyptic number.

1352987987838 is an abundant number, since it is smaller than the sum of its proper divisors (1353050027778).

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

1352987987838 is a wasteful number, since it uses less digits than its factorization.

1352987987838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5169999.

The product of its digits is 1463132160, while the sum is 78.

The spelling of 1352987987838 in words is "one trillion, three hundred fifty-two billion, nine hundred eighty-seven million, nine hundred eighty-seven thousand, eight hundred thirty-eight".