135032399 has 2 divisors, whose sum is σ = 135032400. Its totient is φ = 135032398.

The previous prime is 135032383. The next prime is 135032413. The reversal of 135032399 is 993230531.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135032399 - 2⁴ = 135032383 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135032329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67516199 + 67516200.

It is an arithmetic number, because the mean of its divisors is an integer number (67516200).

Almost surely, 2^135032399 is an apocalyptic number.

135032399 is a deficient number, since it is larger than the sum of its proper divisors (1).

135032399 is an equidigital number, since it uses as much as digits as its factorization.

135032399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21870, while the sum is 35.

The square root of 135032399 is about 11620.3441859525. The cubic root of 135032399 is about 513.0338188766.

The spelling of 135032399 in words is "one hundred thirty-five million, thirty-two thousand, three hundred ninety-nine".