133541005533 has 16 divisors (see below), whose sum is σ = 191783329920. Its totient is φ = 82165305024.

The previous prime is 133541005519. The next prime is 133541005547. The reversal of 133541005533 is 335500145331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (133541005519) and next prime (133541005547).

It is not a de Polignac number, because 133541005533 - 2⁹ = 133541005021 is a prime.

It is a super-2 number, since 2×133541005533² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 133541005494 and 133541005503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133541005033) 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, 48841 + ... + 519102.

It is an arithmetic number, because the mean of its divisors is an integer number (11986458120).

Almost surely, 2^133541005533 is an apocalyptic number.

133541005533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133541005533 is a deficient number, since it is larger than the sum of its proper divisors (58242324387).

133541005533 is a wasteful number, since it uses less digits than its factorization.

133541005533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573988.

The product of its (nonzero) digits is 40500, while the sum is 33.

The spelling of 133541005533 in words is "one hundred thirty-three billion, five hundred forty-one million, five thousand, five hundred thirty-three".