135939507422 has 16 divisors (see below), whose sum is σ = 208893151152. Its totient is φ = 66308623680.

The previous prime is 135939507397. The next prime is 135939507433. The reversal of 135939507422 is 224705939531.

It is a super-4 number, since 4×135939507422⁴ (a number of 46 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2674013 + ... + 2724375.

It is an arithmetic number, because the mean of its divisors is an integer number (13055821947).

Almost surely, 2^135939507422 is an apocalyptic number.

135939507422 is a deficient number, since it is larger than the sum of its proper divisors (72953643730).

135939507422 is a wasteful number, since it uses less digits than its factorization.

135939507422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83323.

The product of its (nonzero) digits is 2041200, while the sum is 50.

The spelling of 135939507422 in words is "one hundred thirty-five billion, nine hundred thirty-nine million, five hundred seven thousand, four hundred twenty-two".