193081534340 has 12 divisors (see below), whose sum is σ = 405471222156. Its totient is φ = 77232613728.

The previous prime is 193081534333. The next prime is 193081534351. The reversal of 193081534340 is 43435180391.

193081534340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 47469079876 + 145612454464 = 217874^2 + 381592^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4827038339 + ... + 4827038378.

It is an arithmetic number, because the mean of its divisors is an integer number (33789268513).

Almost surely, 2^193081534340 is an apocalyptic number.

193081534340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

193081534340 is an abundant number, since it is smaller than the sum of its proper divisors (212389687816).

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

193081534340 is a wasteful number, since it uses less digits than its factorization.

193081534340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9654076726 (or 9654076724 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 193081534340 in words is "one hundred ninety-three billion, eighty-one million, five hundred thirty-four thousand, three hundred forty".