134948268028 has 24 divisors (see below), whose sum is σ = 271054903392. Its totient is φ = 57586750464.

The previous prime is 134948267981. The next prime is 134948268041. The reversal of 134948268028 is 820862849431.

It is a super-2 number, since 2×134948268028² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 134948268028.

It is a congruent number.

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, 10335925 + ... + 10348972.

It is an arithmetic number, because the mean of its divisors is an integer number (11293954308).

Almost surely, 2^134948268028 is an apocalyptic number.

It is an amenable number.

134948268028 is an abundant number, since it is smaller than the sum of its proper divisors (136106635364).

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

134948268028 is a wasteful number, since it uses less digits than its factorization.

134948268028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20685141 (or 20685139 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 55.

The spelling of 134948268028 in words is "one hundred thirty-four billion, nine hundred forty-eight million, two hundred sixty-eight thousand, twenty-eight".