133254040 has 32 divisors (see below), whose sum is σ = 303624000. Its totient is φ = 52625664.

The previous prime is 133254029. The next prime is 133254067. The reversal of 133254040 is 40452331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17925 + ... + 24244.

It is an arithmetic number, because the mean of its divisors is an integer number (9488250).

Almost surely, 2^133254040 is an apocalyptic number.

133254040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133254040 is an abundant number, since it is smaller than the sum of its proper divisors (170369960).

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

133254040 is a wasteful number, since it uses less digits than its factorization.

133254040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42259 (or 42255 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 133254040 is about 11543.5713711139. The cubic root of 133254040 is about 510.7716627981.

The spelling of 133254040 in words is "one hundred thirty-three million, two hundred fifty-four thousand, forty".