133405016540 has 48 divisors (see below), whose sum is σ = 298935023520. Its totient is φ = 49860956160.

The previous prime is 133405016539. The next prime is 133405016543. The reversal of 133405016540 is 45610504331.

It is a junction number, because it is equal to n+sod(n) for n = 133405016497 and 133405016506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133405016543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2376821 + ... + 2432300.

It is an arithmetic number, because the mean of its divisors is an integer number (6227812990).

Almost surely, 2^133405016540 is an apocalyptic number.

133405016540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133405016540 is an abundant number, since it is smaller than the sum of its proper divisors (165530006980).

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

133405016540 is a wasteful number, since it uses less digits than its factorization.

133405016540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4809222 (or 4809220 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 133405016540 in words is "one hundred thirty-three billion, four hundred five million, sixteen thousand, five hundred forty".