133054040 has 96 divisors (see below), whose sum is σ = 351643680. Its totient is φ = 44384256.

The previous prime is 133054013. The next prime is 133054043. The reversal of 133054040 is 40450331.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133054043) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 517592 + ... + 517848.

It is an arithmetic number, because the mean of its divisors is an integer number (3662955).

Almost surely, 2^133054040 is an apocalyptic number.

133054040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133054040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175821840).

133054040 is an abundant number, since it is smaller than the sum of its proper divisors (218589640).

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

133054040 is a wasteful number, since it uses less digits than its factorization.

133054040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 133054040 is about 11534.9052878643. The cubic root of 133054040 is about 510.5159970468.

The spelling of 133054040 in words is "one hundred thirty-three million, fifty-four thousand, forty".