134785611880 has 32 divisors (see below), whose sum is σ = 313725133800. Its totient is φ = 52055132416.

The previous prime is 134785611799. The next prime is 134785611881. The reversal of 134785611880 is 88116587431.

It can be written as a sum of positive squares in 4 ways, for example, as 111701671524 + 23083940356 = 334218^2 + 151934^2 .

It is a super-2 number, since 2×134785611880² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134785611881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58096087 + ... + 58098406.

Almost surely, 2^134785611880 is an apocalyptic number.

134785611880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134785611880 is an abundant number, since it is smaller than the sum of its proper divisors (178939521920).

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

134785611880 is a wasteful number, since it uses less digits than its factorization.

134785611880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116194533 (or 116194529 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 52.

The spelling of 134785611880 in words is "one hundred thirty-four billion, seven hundred eighty-five million, six hundred eleven thousand, eight hundred eighty".