133540602 has 32 divisors (see below), whose sum is σ = 293061888. Its totient is φ = 40312896.

The previous prime is 133540597. The next prime is 133540637. The reversal of 133540602 is 206045331.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12018 + ... + 20285.

It is an arithmetic number, because the mean of its divisors is an integer number (9158184).

Almost surely, 2^133540602 is an apocalyptic number.

133540602 is an abundant number, since it is smaller than the sum of its proper divisors (159521286).

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

133540602 is a wasteful number, since it uses less digits than its factorization.

133540602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32374.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 133540602 is about 11555.9768950963. The cubic root of 133540602 is about 511.1375377675.

Adding to 133540602 its reverse (206045331), we get a palindrome (339585933).

The spelling of 133540602 in words is "one hundred thirty-three million, five hundred forty thousand, six hundred two".