135621030022 has 16 divisors (see below), whose sum is σ = 205742015280. Its totient is φ = 67040541568.

The previous prime is 135621029911. The next prime is 135621030037. The reversal of 135621030022 is 220030126531.

It is a congruent number.

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, 1606593 + ... + 1688899.

It is an arithmetic number, because the mean of its divisors is an integer number (12858875955).

Almost surely, 2^135621030022 is an apocalyptic number.

135621030022 is a deficient number, since it is larger than the sum of its proper divisors (70120985258).

135621030022 is an equidigital number, since it uses as much as digits as its factorization.

135621030022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91655.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 135621030022 its reverse (220030126531), we get a palindrome (355651156553).

The spelling of 135621030022 in words is "one hundred thirty-five billion, six hundred twenty-one million, thirty thousand, twenty-two".