133441451 has 8 divisors (see below), whose sum is σ = 156770544. Its totient is φ = 111978720.

The previous prime is 133441433. The next prime is 133441463. The reversal of 133441451 is 154144331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 133441451 - 2⁶ = 133441387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133441451.

It is not an unprimeable number, because it can be changed into a prime (133441411) 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 7 ways as a sum of consecutive naturals, for example, 466436 + ... + 466721.

It is an arithmetic number, because the mean of its divisors is an integer number (19596318).

Almost surely, 2^133441451 is an apocalyptic number.

133441451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133441451 is a deficient number, since it is larger than the sum of its proper divisors (23329093).

133441451 is a wasteful number, since it uses less digits than its factorization.

133441451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933181.

The product of its digits is 2880, while the sum is 26.

The square root of 133441451 is about 11551.6860674102. The cubic root of 133441451 is about 511.0110036016.

Adding to 133441451 its product of digits (2880), we get a palindrome (133444331).

Adding to 133441451 its reverse (154144331), we get a palindrome (287585782).

The spelling of 133441451 in words is "one hundred thirty-three million, four hundred forty-one thousand, four hundred fifty-one".