133520470 has 32 divisors (see below), whose sum is σ = 246576960. Its totient is φ = 52039680.

The previous prime is 133520449. The next prime is 133520489. The reversal of 133520470 is 74025331.

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 15 ways as a sum of consecutive naturals, for example, 62134 + ... + 64246.

It is an arithmetic number, because the mean of its divisors is an integer number (7705530).

Almost surely, 2^133520470 is an apocalyptic number.

133520470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133520470 is a deficient number, since it is larger than the sum of its proper divisors (113056490).

133520470 is a wasteful number, since it uses less digits than its factorization.

133520470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 133520470 is about 11555.1057978713. The cubic root of 133520470 is about 511.1118508531. Note that the first 3 decimals are identical.

The spelling of 133520470 in words is "one hundred thirty-three million, five hundred twenty thousand, four hundred seventy".