133563450 has 48 divisors (see below), whose sum is σ = 331943040. Its totient is φ = 35541120.

The previous prime is 133563421. The next prime is 133563481. The reversal of 133563450 is 54365331.

It is a happy number.

133563450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128031 + ... + 129069.

It is an arithmetic number, because the mean of its divisors is an integer number (6915480).

Almost surely, 2^133563450 is an apocalyptic number.

133563450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133563450 is an abundant number, since it is smaller than the sum of its proper divisors (198379590).

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

133563450 is a wasteful number, since it uses less digits than its factorization.

133563450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911 (or 1906 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 133563450 is about 11556.9654321539. The cubic root of 133563450 is about 511.1666869659.

The spelling of 133563450 in words is "one hundred thirty-three million, five hundred sixty-three thousand, four hundred fifty".