133532130 has 16 divisors (see below), whose sum is σ = 320477184. Its totient is φ = 35608560.

The previous prime is 133532107. The next prime is 133532131. The reversal of 133532130 is 31235331.

It is a junction number, because it is equal to n+sod(n) for n = 133532097 and 133532106.

It is not an unprimeable number, because it can be changed into a prime (133532131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2225506 + ... + 2225565.

It is an arithmetic number, because the mean of its divisors is an integer number (20029824).

Almost surely, 2^133532130 is an apocalyptic number.

133532130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133532130 is an abundant number, since it is smaller than the sum of its proper divisors (186945054).

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

133532130 is a wasteful number, since it uses less digits than its factorization.

133532130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4451081.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 133532130 is about 11555.6103257249. The cubic root of 133532130 is about 511.1267284488.

Adding to 133532130 its reverse (31235331), we get a palindrome (164767461).

The spelling of 133532130 in words is "one hundred thirty-three million, five hundred thirty-two thousand, one hundred thirty".