135541023222 has 32 divisors (see below), whose sum is σ = 313121510784. Its totient is φ = 38656976000.

The previous prime is 135541023209. The next prime is 135541023227. The reversal of 135541023222 is 222320145531.

It is a super-2 number, since 2×135541023222² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135541023222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135541023227) 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, 60400404 + ... + 60402647.

It is an arithmetic number, because the mean of its divisors is an integer number (9785047212).

Almost surely, 2^135541023222 is an apocalyptic number.

135541023222 is an abundant number, since it is smaller than the sum of its proper divisors (177580487562).

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

135541023222 is a wasteful number, since it uses less digits than its factorization.

135541023222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120803084.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 135541023222 its reverse (222320145531), we get a palindrome (357861168753).

The spelling of 135541023222 in words is "one hundred thirty-five billion, five hundred forty-one million, twenty-three thousand, two hundred twenty-two".