133531374143 has 4 divisors (see below), whose sum is σ = 133532217000. Its totient is φ = 133530531288.

The previous prime is 133531374127. The next prime is 133531374157. The reversal of 133531374143 is 341473135331.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 133531374143 - 2⁴ = 133531374127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133531374097 and 133531374106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133531374343) 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, 104180 + ... + 527177.

It is an arithmetic number, because the mean of its divisors is an integer number (33383054250).

Almost surely, 2^133531374143 is an apocalyptic number.

133531374143 is a deficient number, since it is larger than the sum of its proper divisors (842857).

133531374143 is an equidigital number, since it uses as much as digits as its factorization.

133531374143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842856.

The product of its digits is 136080, while the sum is 38.

The spelling of 133531374143 in words is "one hundred thirty-three billion, five hundred thirty-one million, three hundred seventy-four thousand, one hundred forty-three".