128843540900152 has 64 divisors (see below), whose sum is σ = 277060961479680. Its totient is φ = 55644719020032.

The previous prime is 128843540900141. The next prime is 128843540900159. The reversal of 128843540900152 is 251009045348821.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 128843540900152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128843540900159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210316408 + ... + 210928135.

It is an arithmetic number, because the mean of its divisors is an integer number (4329077523120).

Almost surely, 2^{128843540900152} is an apocalyptic number.

It is an amenable number.

128843540900152 is an abundant number, since it is smaller than the sum of its proper divisors (148217420579528).

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

128843540900152 is a wasteful number, since it uses less digits than its factorization.

128843540900152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421244752 (or 421244748 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 52.

The spelling of 128843540900152 in words is "one hundred twenty-eight trillion, eight hundred forty-three billion, five hundred forty million, nine hundred thousand, one hundred fifty-two".