133219100 has 36 divisors (see below), whose sum is σ = 330385104. Its totient is φ = 45674880.

The previous prime is 133219091. The next prime is 133219111. The reversal of 133219100 is 1912331.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a zygodrome in base 2.

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, 94457 + ... + 95856.

It is an arithmetic number, because the mean of its divisors is an integer number (9177364).

Almost surely, 2^133219100 is an apocalyptic number.

133219100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133219100 is an abundant number, since it is smaller than the sum of its proper divisors (197166004).

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

133219100 is a wasteful number, since it uses less digits than its factorization.

133219100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190334 (or 190327 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 133219100 is about 11542.0578754397. The cubic root of 133219100 is about 510.7270164421.

The spelling of 133219100 in words is "one hundred thirty-three million, two hundred nineteen thousand, one hundred".