134728745280 has 112 divisors (see below), whose sum is σ = 439325064960. Its totient is φ = 34956638208.

The previous prime is 134728745269. The next prime is 134728745297. The reversal of 134728745280 is 82547827431.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1861000 + ... + 1932039.

Almost surely, 2^134728745280 is an apocalyptic number.

134728745280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134728745280 is an abundant number, since it is smaller than the sum of its proper divisors (304596319680).

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

134728745280 is a wasteful number, since it uses less digits than its factorization.

134728745280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3793096 (or 3793086 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 51.

The spelling of 134728745280 in words is "one hundred thirty-four billion, seven hundred twenty-eight million, seven hundred forty-five thousand, two hundred eighty".