133955412 has 24 divisors (see below), whose sum is σ = 314815200. Its totient is φ = 44330016.

The previous prime is 133955389. The next prime is 133955417. The reversal of 133955412 is 214559331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133955417) 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, 38487 + ... + 41822.

It is an arithmetic number, because the mean of its divisors is an integer number (13117300).

Almost surely, 2^133955412 is an apocalyptic number.

133955412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133955412 is an abundant number, since it is smaller than the sum of its proper divisors (180859788).

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

133955412 is a wasteful number, since it uses less digits than its factorization.

133955412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80455 (or 80453 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 133955412 is about 11573.9108342859. The cubic root of 133955412 is about 511.6662304223. Note that the first 3 decimals are identical.

The spelling of 133955412 in words is "one hundred thirty-three million, nine hundred fifty-five thousand, four hundred twelve".