135640601656422 has 64 divisors (see below), whose sum is σ = 291381862209984. Its totient is φ = 41944306360320.

The previous prime is 135640601656397. The next prime is 135640601656433. The reversal of 135640601656422 is 224656106046531.

It is a super-2 number, since 2×135640601656422² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30422713 + ... + 34595124.

It is an arithmetic number, because the mean of its divisors is an integer number (4552841597031).

Almost surely, 2^{135640601656422} is an apocalyptic number.

135640601656422 is an abundant number, since it is smaller than the sum of its proper divisors (155741260553562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135640601656422 is a wasteful number, since it uses less digits than its factorization.

135640601656422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65018153.

The product of its (nonzero) digits is 6220800, while the sum is 51.

The spelling of 135640601656422 in words is "one hundred thirty-five trillion, six hundred forty billion, six hundred one million, six hundred fifty-six thousand, four hundred twenty-two".