135365983738 has 8 divisors (see below), whose sum is σ = 204531085332. Its totient is φ = 67188955296.

The previous prime is 135365983729. The next prime is 135365983783. The reversal of 135365983738 is 837389563531.

It can be written as a sum of positive squares in 2 ways, for example, as 129947993289 + 5417990449 = 360483^2 + 73607^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 247017945 + ... + 247018492.

Almost surely, 2^135365983738 is an apocalyptic number.

135365983738 is a deficient number, since it is larger than the sum of its proper divisors (69165101594).

135365983738 is a wasteful number, since it uses less digits than its factorization.

135365983738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494036576.

The product of its digits is 48988800, while the sum is 61.

The spelling of 135365983738 in words is "one hundred thirty-five billion, three hundred sixty-five million, nine hundred eighty-three thousand, seven hundred thirty-eight".