135578005122 has 32 divisors (see below), whose sum is σ = 310023512064. Its totient is φ = 38720206800.

The previous prime is 135578005097. The next prime is 135578005127. The reversal of 135578005122 is 221500875531.

It is a super-2 number, since 2×135578005122² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135578005127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 581154 + ... + 780317.

It is an arithmetic number, because the mean of its divisors is an integer number (9688234752).

Almost surely, 2^135578005122 is an apocalyptic number.

135578005122 is an abundant number, since it is smaller than the sum of its proper divisors (174445506942).

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

135578005122 is a wasteful number, since it uses less digits than its factorization.

135578005122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363854.

The product of its (nonzero) digits is 84000, while the sum is 39.

The spelling of 135578005122 in words is "one hundred thirty-five billion, five hundred seventy-eight million, five thousand, one hundred twenty-two".