135807629 has 2 divisors, whose sum is σ = 135807630. Its totient is φ = 135807628.

The previous prime is 135807601. The next prime is 135807643. The reversal of 135807629 is 926708531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121594729 + 14212900 = 11027^2 + 3770^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135807629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135107629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67903814 + 67903815.

It is an arithmetic number, because the mean of its divisors is an integer number (67903815).

Almost surely, 2^135807629 is an apocalyptic number.

It is an amenable number.

135807629 is a deficient number, since it is larger than the sum of its proper divisors (1).

135807629 is an equidigital number, since it uses as much as digits as its factorization.

135807629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 135807629 is about 11653.6530324186. The cubic root of 135807629 is about 514.0137331239.

The spelling of 135807629 in words is "one hundred thirty-five million, eight hundred seven thousand, six hundred twenty-nine".