133541531404660 has 48 divisors (see below), whose sum is σ = 281034217481472. Its totient is φ = 53303018787200.

The previous prime is 133541531404649. The next prime is 133541531404691. The reversal of 133541531404660 is 66404135145331.

It is a self number, because there is not a number n which added to its sum of digits gives 133541531404660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13917474 + ... + 21465766.

It is an arithmetic number, because the mean of its divisors is an integer number (5854879530864).

Almost surely, 2^{133541531404660} is an apocalyptic number.

133541531404660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133541531404660 is an abundant number, since it is smaller than the sum of its proper divisors (147492686076812).

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

133541531404660 is a wasteful number, since it uses less digits than its factorization.

133541531404660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7550184 (or 7550182 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 46.

Adding to 133541531404660 its reverse (66404135145331), we get a palindrome (199945666549991).

The spelling of 133541531404660 in words is "one hundred thirty-three trillion, five hundred forty-one billion, five hundred thirty-one million, four hundred four thousand, six hundred sixty".