133729470 has 96 divisors (see below), whose sum is σ = 408178368. Its totient is φ = 29735424.

The previous prime is 133729457. The next prime is 133729481. The reversal of 133729470 is 74927331.

It is a super-2 number, since 2×133729470² = 35767142292961800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 20442 + ... + 26178.

It is an arithmetic number, because the mean of its divisors is an integer number (4251858).

Almost surely, 2^133729470 is an apocalyptic number.

133729470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 133729470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204089184).

133729470 is an abundant number, since it is smaller than the sum of its proper divisors (274448898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133729470 is a wasteful number, since it uses less digits than its factorization.

133729470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5794 (or 5791 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 133729470 is about 11564.1458828571. The cubic root of 133729470 is about 511.3783934758.

The spelling of 133729470 in words is "one hundred thirty-three million, seven hundred twenty-nine thousand, four hundred seventy".