133548429 has 16 divisors (see below), whose sum is σ = 209003648. Its totient is φ = 74250432.

The previous prime is 133548421. The next prime is 133548431. The reversal of 133548429 is 924845331.

It is not a de Polignac number, because 133548429 - 2³ = 133548421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133548421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85162 + ... + 86715.

It is an arithmetic number, because the mean of its divisors is an integer number (13062728).

Almost surely, 2^133548429 is an apocalyptic number.

It is an amenable number.

133548429 is a deficient number, since it is larger than the sum of its proper divisors (75455219).

133548429 is a wasteful number, since it uses less digits than its factorization.

133548429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171924.

The product of its digits is 103680, while the sum is 39.

The square root of 133548429 is about 11556.3155460553. The cubic root of 133548429 is about 511.1475237326.

The spelling of 133548429 in words is "one hundred thirty-three million, five hundred forty-eight thousand, four hundred twenty-nine".