135963829 has 4 divisors (see below), whose sum is σ = 143119840. Its totient is φ = 128807820.

The previous prime is 135963827. The next prime is 135963859. The reversal of 135963829 is 928369531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135963829 - 2¹ = 135963827 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135963827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3577977 + ... + 3578014.

It is an arithmetic number, because the mean of its divisors is an integer number (35779960).

Almost surely, 2^135963829 is an apocalyptic number.

135963829 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

135963829 is a deficient number, since it is larger than the sum of its proper divisors (7156011).

135963829 is an equidigital number, since it uses as much as digits as its factorization.

135963829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7156010.

The product of its digits is 349920, while the sum is 46.

The square root of 135963829 is about 11660.3528677309. The cubic root of 135963829 is about 514.2107229978.

The spelling of 135963829 in words is "one hundred thirty-five million, nine hundred sixty-three thousand, eight hundred twenty-nine".