134722856840 has 192 divisors, whose sum is σ = 362189983680. Its totient is φ = 44796787200.

The previous prime is 134722856833. The next prime is 134722856923. The reversal of 134722856840 is 48658227431.

134722856840 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×134722856840² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6722435 + ... + 6742445.

It is an arithmetic number, because the mean of its divisors is an integer number (1886406165).

Almost surely, 2^134722856840 is an apocalyptic number.

134722856840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134722856840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181094991840).

134722856840 is an abundant number, since it is smaller than the sum of its proper divisors (227467126840).

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

134722856840 is a wasteful number, since it uses less digits than its factorization.

134722856840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20164 (or 20149 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 50.

The spelling of 134722856840 in words is "one hundred thirty-four billion, seven hundred twenty-two million, eight hundred fifty-six thousand, eight hundred forty".