135621123332 has 12 divisors (see below), whose sum is σ = 237658130640. Its totient is φ = 67718800296.

The previous prime is 135621123289. The next prime is 135621123343. The reversal of 135621123332 is 233321126531.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22937018 + ... + 22942929.

It is an arithmetic number, because the mean of its divisors is an integer number (19804844220).

Almost surely, 2^135621123332 is an apocalyptic number.

It is an amenable number.

135621123332 is a deficient number, since it is larger than the sum of its proper divisors (102037007308).

135621123332 is a wasteful number, since it uses less digits than its factorization.

135621123332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45880690 (or 45880688 counting only the distinct ones).

The product of its digits is 19440, while the sum is 32.

Adding to 135621123332 its reverse (233321126531), we get a palindrome (368942249863).

The spelling of 135621123332 in words is "one hundred thirty-five billion, six hundred twenty-one million, one hundred twenty-three thousand, three hundred thirty-two".