133629980 has 36 divisors (see below), whose sum is σ = 308458920. Its totient is φ = 48591840.

The previous prime is 133629953. The next prime is 133630009. The reversal of 133629980 is 89926331.

133629980 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25190 + ... + 30029.

Almost surely, 2^133629980 is an apocalyptic number.

133629980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133629980 is an abundant number, since it is smaller than the sum of its proper divisors (174828940).

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

133629980 is a wasteful number, since it uses less digits than its factorization.

133629980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55250 (or 55237 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 133629980 is about 11559.8434245452. The cubic root of 133629980 is about 511.2515461960.

The spelling of 133629980 in words is "one hundred thirty-three million, six hundred twenty-nine thousand, nine hundred eighty".