133412143 has 8 divisors (see below), whose sum is σ = 134619408. Its totient is φ = 132210624.

The previous prime is 133412137. The next prime is 133412159. The reversal of 133412143 is 341214331.

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 133412143 - 2¹³ = 133403951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133413143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 54555 + ... + 56947.

It is an arithmetic number, because the mean of its divisors is an integer number (16827426).

Almost surely, 2^133412143 is an apocalyptic number.

133412143 is a deficient number, since it is larger than the sum of its proper divisors (1207265).

133412143 is a wasteful number, since it uses less digits than its factorization.

133412143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873.

The product of its digits is 864, while the sum is 22.

The square root of 133412143 is about 11550.4174383439. The cubic root of 133412143 is about 510.9735894224.

Adding to 133412143 its reverse (341214331), we get a palindrome (474626474).

The spelling of 133412143 in words is "one hundred thirty-three million, four hundred twelve thousand, one hundred forty-three".