133503552340 has 24 divisors (see below), whose sum is σ = 280644458472. Its totient is φ = 53346754560.

The previous prime is 133503552337. The next prime is 133503552361. The reversal of 133503552340 is 43255305331.

It can be written as a sum of positive squares in 4 ways, for example, as 43933836816 + 89569715524 = 209604^2 + 299282^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133503552296 and 133503552305.

It is a congruent number.

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, 3396621 + ... + 3435700.

It is an arithmetic number, because the mean of its divisors is an integer number (11693519103).

Almost surely, 2^133503552340 is an apocalyptic number.

133503552340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133503552340 is an abundant number, since it is smaller than the sum of its proper divisors (147140906132).

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

133503552340 is a wasteful number, since it uses less digits than its factorization.

133503552340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6833307 (or 6833305 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 34.

Adding to 133503552340 its reverse (43255305331), we get a palindrome (176758857671).

The spelling of 133503552340 in words is "one hundred thirty-three billion, five hundred three million, five hundred fifty-two thousand, three hundred forty".