135681258851842 has 16 divisors (see below), whose sum is σ = 222031151776800. Its totient is φ = 61671279018240.

The previous prime is 135681258851837. The next prime is 135681258851857. The reversal of 135681258851842 is 248158852186531.

It is a super-3 number, since 3×135681258851842³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100336092 + ... + 101679367.

It is an arithmetic number, because the mean of its divisors is an integer number (13876946986050).

Almost surely, 2^{135681258851842} is an apocalyptic number.

135681258851842 is a deficient number, since it is larger than the sum of its proper divisors (86349892924958).

135681258851842 is a wasteful number, since it uses less digits than its factorization.

135681258851842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202046001.

The product of its digits is 147456000, while the sum is 67.

The spelling of 135681258851842 in words is "one hundred thirty-five trillion, six hundred eighty-one billion, two hundred fifty-eight million, eight hundred fifty-one thousand, eight hundred forty-two".