134739857280 has 128 divisors (see below), whose sum is σ = 490838100480. Its totient is φ = 30797678592.

The previous prime is 134739857267. The next prime is 134739857377. The reversal of 134739857280 is 82758937431.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 134739857280.

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, 4999204 + ... + 5026083.

It is an arithmetic number, because the mean of its divisors is an integer number (3834672660).

Almost surely, 2^134739857280 is an apocalyptic number.

134739857280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134739857280 is an abundant number, since it is smaller than the sum of its proper divisors (356098243200).

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

134739857280 is a wasteful number, since it uses less digits than its factorization.

134739857280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10025316 (or 10025304 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 134739857280 in words is "one hundred thirty-four billion, seven hundred thirty-nine million, eight hundred fifty-seven thousand, two hundred eighty".