133606490 has 8 divisors (see below), whose sum is σ = 240491700. Its totient is φ = 53442592.

The previous prime is 133606489. The next prime is 133606493. The reversal of 133606490 is 94606331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 109977169 + 23629321 = 10487^2 + 4861^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (133606493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6680315 + ... + 6680334.

Almost surely, 2^133606490 is an apocalyptic number.

133606490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133606490 is a deficient number, since it is larger than the sum of its proper divisors (106885210).

133606490 is a wasteful number, since it uses less digits than its factorization.

133606490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13360656.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 133606490 is about 11558.8273626696. The cubic root of 133606490 is about 511.2215878424.

The spelling of 133606490 in words is "one hundred thirty-three million, six hundred six thousand, four hundred ninety".