135280921232 has 40 divisors (see below), whose sum is σ = 273715873920. Its totient is φ = 64649150720.

The previous prime is 135280921147. The next prime is 135280921241. The reversal of 135280921232 is 232129082531.

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, 331757 + ... + 616947.

It is an arithmetic number, because the mean of its divisors is an integer number (6842896848).

Almost surely, 2^135280921232 is an apocalyptic number.

It is an amenable number.

135280921232 is an abundant number, since it is smaller than the sum of its proper divisors (138434952688).

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

135280921232 is a wasteful number, since it uses less digits than its factorization.

135280921232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286511 (or 286505 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 135280921232 in words is "one hundred thirty-five billion, two hundred eighty million, nine hundred twenty-one thousand, two hundred thirty-two".