133402513 has 2 divisors, whose sum is σ = 133402514. Its totient is φ = 133402512.

The previous prime is 133402471. The next prime is 133402559. The reversal of 133402513 is 315204331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94614529 + 38787984 = 9727^2 + 6228^2 .

It is a cyclic number.

It is not a de Polignac number, because 133402513 - 2¹³ = 133394321 is a prime.

It is not a weakly prime, because it can be changed into another prime (133202513) 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, 66701256 + 66701257.

It is an arithmetic number, because the mean of its divisors is an integer number (66701257).

Almost surely, 2^133402513 is an apocalyptic number.

It is an amenable number.

133402513 is a deficient number, since it is larger than the sum of its proper divisors (1).

133402513 is an equidigital number, since it uses as much as digits as its factorization.

133402513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 133402513 is about 11550.0005627705. Note that the first 3 decimals coincide. The cubic root of 133402513 is about 510.9612947043.

Adding to 133402513 its reverse (315204331), we get a palindrome (448606844).

The spelling of 133402513 in words is "one hundred thirty-three million, four hundred two thousand, five hundred thirteen".