133464429 has 40 divisors (see below), whose sum is σ = 228811968. Its totient is φ = 75945600.

The previous prime is 133464391. The next prime is 133464473. The reversal of 133464429 is 924464331.

It is a happy number.

133464429 is a `hidden beast` number, since 1 + 3 + 3 + 4 + 644 + 2 + 9 = 666.

It is not a de Polignac number, because 133464429 - 2⁷ = 133464301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133464393 and 133464402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133464029) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 227074 + ... + 227660.

Almost surely, 2^133464429 is an apocalyptic number.

It is an amenable number.

133464429 is a deficient number, since it is larger than the sum of its proper divisors (95347539).

133464429 is an equidigital number, since it uses as much as digits as its factorization.

133464429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007 (or 998 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 133464429 is about 11552.6805980257. The cubic root of 133464429 is about 511.0403331611.

The spelling of 133464429 in words is "one hundred thirty-three million, four hundred sixty-four thousand, four hundred twenty-nine".