133925020 has 24 divisors (see below), whose sum is σ = 281476944. Its totient is φ = 53525376.

The previous prime is 133925017. The next prime is 133925039. The reversal of 133925020 is 20529331.

It is a happy number.

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, 33024 + ... + 36856.

It is an arithmetic number, because the mean of its divisors is an integer number (11728206).

Almost surely, 2^133925020 is an apocalyptic number.

133925020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133925020 is an abundant number, since it is smaller than the sum of its proper divisors (147551924).

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

133925020 is a wasteful number, since it uses less digits than its factorization.

133925020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5589 (or 5587 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 133925020 is about 11572.5978068885. The cubic root of 133925020 is about 511.6275316344.

The spelling of 133925020 in words is "one hundred thirty-three million, nine hundred twenty-five thousand, twenty".