133554000 has 80 divisors (see below), whose sum is σ = 430597440. Its totient is φ = 35612800.

The previous prime is 133553977. The next prime is 133554007. The reversal of 133554000 is 455331.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133554007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5130 + ... + 17129.

It is an arithmetic number, because the mean of its divisors is an integer number (5382468).

Almost surely, 2^133554000 is an apocalyptic number.

133554000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133554000 is an abundant number, since it is smaller than the sum of its proper divisors (297043440).

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

133554000 is a wasteful number, since it uses less digits than its factorization.

133554000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22285 (or 22269 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 133554000 is about 11556.5565805736. The cubic root of 133554000 is about 511.1546311749.

The spelling of 133554000 in words is "one hundred thirty-three million, five hundred fifty-four thousand".