135152429 has 2 divisors, whose sum is σ = 135152430. Its totient is φ = 135152428.

The previous prime is 135152417. The next prime is 135152471. The reversal of 135152429 is 924251531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131905225 + 3247204 = 11485^2 + 1802^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135152429 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 135152395 and 135152404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135152029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67576214 + 67576215.

It is an arithmetic number, because the mean of its divisors is an integer number (67576215).

Almost surely, 2^135152429 is an apocalyptic number.

It is an amenable number.

135152429 is a deficient number, since it is larger than the sum of its proper divisors (1).

135152429 is an equidigital number, since it uses as much as digits as its factorization.

135152429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 32.

The square root of 135152429 is about 11625.5076878388. The cubic root of 135152429 is about 513.1857853992.

The spelling of 135152429 in words is "one hundred thirty-five million, one hundred fifty-two thousand, four hundred twenty-nine".