135938395198 has 8 divisors (see below), whose sum is σ = 203911528392. Its totient is φ = 67967885736.

The previous prime is 135938395169. The next prime is 135938395231. The reversal of 135938395198 is 891593839531.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520840 + ... + 736987.

It is an arithmetic number, because the mean of its divisors is an integer number (25488941049).

Almost surely, 2^135938395198 is an apocalyptic number.

135938395198 is a deficient number, since it is larger than the sum of its proper divisors (67973133194).

135938395198 is a wasteful number, since it uses less digits than its factorization.

135938395198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311866.

The product of its digits is 31492800, while the sum is 64.

The spelling of 135938395198 in words is "one hundred thirty-five billion, nine hundred thirty-eight million, three hundred ninety-five thousand, one hundred ninety-eight".