133867470 has 32 divisors (see below), whose sum is σ = 350490240. Its totient is φ = 32452640.

The previous prime is 133867457. The next prime is 133867493. The reversal of 133867470 is 74768331.

133867470 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202500 + ... + 203159.

It is an arithmetic number, because the mean of its divisors is an integer number (10952820).

Almost surely, 2^133867470 is an apocalyptic number.

133867470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133867470 is an abundant number, since it is smaller than the sum of its proper divisors (216622770).

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

133867470 is a wasteful number, since it uses less digits than its factorization.

133867470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405680.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 133867470 is about 11570.1110625612. Note that the first 3 decimals coincide. The cubic root of 133867470 is about 511.5542359375.

The spelling of 133867470 in words is "one hundred thirty-three million, eight hundred sixty-seven thousand, four hundred seventy".