133429709 has 8 divisors (see below), whose sum is σ = 152980800. Its totient is φ = 114001056.

The previous prime is 133429691. The next prime is 133429717. The reversal of 133429709 is 907924331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133429709 - 2⁸ = 133429453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133429729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28259 + ... + 32640.

It is an arithmetic number, because the mean of its divisors is an integer number (19122600).

Almost surely, 2^133429709 is an apocalyptic number.

It is an amenable number.

133429709 is a deficient number, since it is larger than the sum of its proper divisors (19551091).

133429709 is an equidigital number, since it uses as much as digits as its factorization.

133429709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61219.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 133429709 is about 11551.1778187335. The cubic root of 133429709 is about 510.9960145879.

The spelling of 133429709 in words is "one hundred thirty-three million, four hundred twenty-nine thousand, seven hundred nine".