80135629 has 24 divisors (see below), whose sum is σ = 96772320. Its totient is φ = 66122784.

The previous prime is 80135623. The next prime is 80135669. The reversal of 80135629 is 92653108.

It is not a de Polignac number, because 80135629 - 2¹⁹ = 79611341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80135594 and 80135603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80135623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152962 + ... + 153484.

It is an arithmetic number, because the mean of its divisors is an integer number (4032180).

Almost surely, 2^80135629 is an apocalyptic number.

It is an amenable number.

80135629 is a deficient number, since it is larger than the sum of its proper divisors (16636691).

80135629 is a wasteful number, since it uses less digits than its factorization.

80135629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 80135629 is about 8951.8505907996. The cubic root of 80135629 is about 431.1303037126.

The spelling of 80135629 in words is "eighty million, one hundred thirty-five thousand, six hundred twenty-nine".