133469541 has 12 divisors (see below), whose sum is σ = 193179168. Its totient is φ = 88799784.

The previous prime is 133469503. The next prime is 133469543. The reversal of 133469541 is 145964331.

It is not a de Polignac number, because 133469541 - 2¹⁸ = 133207397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133469496 and 133469505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133469543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10215 + ... + 19268.

It is an arithmetic number, because the mean of its divisors is an integer number (16098264).

Almost surely, 2^133469541 is an apocalyptic number.

It is an amenable number.

133469541 is a deficient number, since it is larger than the sum of its proper divisors (59709627).

133469541 is a wasteful number, since it uses less digits than its factorization.

133469541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29992 (or 29989 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 133469541 is about 11552.9018432600. The cubic root of 133469541 is about 511.0468577581.

The spelling of 133469541 in words is "one hundred thirty-three million, four hundred sixty-nine thousand, five hundred forty-one".