133402141 has 2 divisors, whose sum is σ = 133402142. Its totient is φ = 133402140.

The previous prime is 133402099. The next prime is 133402153. The reversal of 133402141 is 141204331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101082916 + 32319225 = 10054^2 + 5685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133402141 is a prime.

It is a super-2 number, since 2×133402141² = 35592262446767762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133402441) 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 as a sum of consecutive naturals, namely, 66701070 + 66701071.

It is an arithmetic number, because the mean of its divisors is an integer number (66701071).

Almost surely, 2^133402141 is an apocalyptic number.

It is an amenable number.

133402141 is a deficient number, since it is larger than the sum of its proper divisors (1).

133402141 is an equidigital number, since it uses as much as digits as its factorization.

133402141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 133402141 is about 11549.9844588640. The cubic root of 133402141 is about 510.9608197563.

Adding to 133402141 its reverse (141204331), we get a palindrome (274606472).

The spelling of 133402141 in words is "one hundred thirty-three million, four hundred two thousand, one hundred forty-one".