133461650 has 24 divisors (see below), whose sum is σ = 283702080. Its totient is φ = 45758160.

The previous prime is 133461619. The next prime is 133461689. The reversal of 133461650 is 56164331.

It is a happy 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, 190310 + ... + 191009.

It is an arithmetic number, because the mean of its divisors is an integer number (11820920).

Almost surely, 2^133461650 is an apocalyptic number.

133461650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133461650 is an abundant number, since it is smaller than the sum of its proper divisors (150240430).

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

133461650 is a wasteful number, since it uses less digits than its factorization.

133461650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381338 (or 381333 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 133461650 is about 11552.5603222835. The cubic root of 133461650 is about 511.0367861712.

The spelling of 133461650 in words is "one hundred thirty-three million, four hundred sixty-one thousand, six hundred fifty".