133220410 has 8 divisors (see below), whose sum is σ = 239796756. Its totient is φ = 53288160.

The previous prime is 133220383. The next prime is 133220413. The reversal of 133220410 is 14022331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 132641289 + 579121 = 11517^2 + 761^2 .

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 (133220413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6661011 + ... + 6661030.

Almost surely, 2^133220410 is an apocalyptic number.

133220410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133220410 is a deficient number, since it is larger than the sum of its proper divisors (106576346).

133220410 is a wasteful number, since it uses less digits than its factorization.

133220410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13322048.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 133220410 is about 11542.1146242792. The cubic root of 133220410 is about 510.7286905019.

Adding to 133220410 its reverse (14022331), we get a palindrome (147242741).

The spelling of 133220410 in words is "one hundred thirty-three million, two hundred twenty thousand, four hundred ten".