135873965242 has 8 divisors (see below), whose sum is σ = 204474828096. Its totient is φ = 67715689212.

The previous prime is 135873965219. The next prime is 135873965287. The reversal of 135873965242 is 242569378531.

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

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, 110645938 + ... + 110647165.

It is an arithmetic number, because the mean of its divisors is an integer number (25559353512).

Almost surely, 2^135873965242 is an apocalyptic number.

135873965242 is a deficient number, since it is larger than the sum of its proper divisors (68600862854).

135873965242 is a wasteful number, since it uses less digits than its factorization.

135873965242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221293412.

The product of its digits is 10886400, while the sum is 55.

The spelling of 135873965242 in words is "one hundred thirty-five billion, eight hundred seventy-three million, nine hundred sixty-five thousand, two hundred forty-two".