135771547632 has 160 divisors (see below), whose sum is σ = 422587000320. Its totient is φ = 36694425600.

The previous prime is 135771547631. The next prime is 135771547663. The reversal of 135771547632 is 236745177531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135771547631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4280632 + ... + 4312232.

It is an arithmetic number, because the mean of its divisors is an integer number (2641168752).

Almost surely, 2^135771547632 is an apocalyptic number.

135771547632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135771547632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211293500160).

135771547632 is an abundant number, since it is smaller than the sum of its proper divisors (286815452688).

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

135771547632 is a wasteful number, since it uses less digits than its factorization.

135771547632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32311 (or 32305 counting only the distinct ones).

The product of its digits is 3704400, while the sum is 51.

The spelling of 135771547632 in words is "one hundred thirty-five billion, seven hundred seventy-one million, five hundred forty-seven thousand, six hundred thirty-two".