133523235046340 has 24 divisors (see below), whose sum is σ = 280399160182680. Its totient is φ = 53409224192768.

The previous prime is 133523235046211. The next prime is 133523235046361. The reversal of 133523235046340 is 43640532325331.

It can be written as a sum of positive squares in 4 ways, for example, as 43689879068224 + 89833355978116 = 6609832^2 + 9478046^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133523235046291 and 133523235046300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13001624 + ... + 20882736.

It is an arithmetic number, because the mean of its divisors is an integer number (11683298340945).

Almost surely, 2^{133523235046340} is an apocalyptic number.

133523235046340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133523235046340 is an abundant number, since it is smaller than the sum of its proper divisors (146875925136340).

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

133523235046340 is a wasteful number, since it uses less digits than its factorization.

133523235046340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8728231 (or 8728229 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 44.

The spelling of 133523235046340 in words is "one hundred thirty-three trillion, five hundred twenty-three billion, two hundred thirty-five million, forty-six thousand, three hundred forty".