133354420 has 12 divisors (see below), whose sum is σ = 280044324. Its totient is φ = 53341760.

The previous prime is 133354393. The next prime is 133354423. The reversal of 133354420 is 24453331.

It can be written as a sum of positive squares in 2 ways, for example, as 57699216 + 75655204 = 7596^2 + 8698^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133354423) 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 3 ways as a sum of consecutive naturals, for example, 3333841 + ... + 3333880.

It is an arithmetic number, because the mean of its divisors is an integer number (23337027).

Almost surely, 2^133354420 is an apocalyptic number.

133354420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133354420 is an abundant number, since it is smaller than the sum of its proper divisors (146689904).

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

133354420 is a wasteful number, since it uses less digits than its factorization.

133354420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6667730 (or 6667728 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 133354420 is about 11547.9184271452. The cubic root of 133354420 is about 510.8998850287.

The spelling of 133354420 in words is "one hundred thirty-three million, three hundred fifty-four thousand, four hundred twenty".