135521055632 has 20 divisors (see below), whose sum is σ = 263139169920. Its totient is φ = 67614173088.

The previous prime is 135521055623. The next prime is 135521055661. The reversal of 135521055632 is 236550125531.

It is a super-2 number, since 2×135521055632² (a number of 23 digits) contains 22 as substring.

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, 9139532 + ... + 9154347.

It is an arithmetic number, because the mean of its divisors is an integer number (13156958496).

Almost surely, 2^135521055632 is an apocalyptic number.

It is an amenable number.

135521055632 is a deficient number, since it is larger than the sum of its proper divisors (127618114288).

135521055632 is a wasteful number, since it uses less digits than its factorization.

135521055632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18294350 (or 18294344 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 135521055632 in words is "one hundred thirty-five billion, five hundred twenty-one million, fifty-five thousand, six hundred thirty-two".