133206030 has 24 divisors (see below), whose sum is σ = 346335912. Its totient is φ = 35521584.

The previous prime is 133205911. The next prime is 133206043. The reversal of 133206030 is 30602331.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 133205994 and 133206012.

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, 739944 + ... + 740123.

It is an arithmetic number, because the mean of its divisors is an integer number (14430663).

Almost surely, 2^133206030 is an apocalyptic number.

133206030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133206030 is an abundant number, since it is smaller than the sum of its proper divisors (213129882).

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

133206030 is a wasteful number, since it uses less digits than its factorization.

133206030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480080 (or 1480077 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 133206030 is about 11541.4916713569. The cubic root of 133206030 is about 510.7103135809.

Adding to 133206030 its reverse (30602331), we get a palindrome (163808361).

The spelling of 133206030 in words is "one hundred thirty-three million, two hundred six thousand, thirty".