133481743 has 2 divisors, whose sum is σ = 133481744. Its totient is φ = 133481742.

The previous prime is 133481737. The next prime is 133481767. The reversal of 133481743 is 347184331.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133481743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133481699 and 133481708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133481713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66740871 + 66740872.

It is an arithmetic number, because the mean of its divisors is an integer number (66740872).

Almost surely, 2^133481743 is an apocalyptic number.

133481743 is a deficient number, since it is larger than the sum of its proper divisors (1).

133481743 is an equidigital number, since it uses as much as digits as its factorization.

133481743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 133481743 is about 11553.4299236201. The cubic root of 133481743 is about 511.0624308586.

The spelling of 133481743 in words is "one hundred thirty-three million, four hundred eighty-one thousand, seven hundred forty-three".