133170030 has 192 divisors, whose sum is σ = 422547840. Its totient is φ = 28449792.

The previous prime is 133170029. The next prime is 133170043. The reversal of 133170030 is 30071331.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 133169985 and 133170012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 675892 + ... + 676088.

It is an arithmetic number, because the mean of its divisors is an integer number (2200770).

Almost surely, 2^133170030 is an apocalyptic number.

133170030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 133170030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211273920).

133170030 is an abundant number, since it is smaller than the sum of its proper divisors (289377810).

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

133170030 is a wasteful number, since it uses less digits than its factorization.

133170030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 18.

The square root of 133170030 is about 11539.9319755361. The cubic root of 133170030 is about 510.6643015802.

The spelling of 133170030 in words is "one hundred thirty-three million, one hundred seventy thousand, thirty".