80205135 has 8 divisors (see below), whose sum is σ = 128328240. Its totient is φ = 42776064.

The previous prime is 80205127. The next prime is 80205149. The reversal of 80205135 is 53150208.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80205135 - 2³ = 80205127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2673490 + ... + 2673519.

It is an arithmetic number, because the mean of its divisors is an integer number (16041030).

Almost surely, 2^80205135 is an apocalyptic number.

80205135 is a deficient number, since it is larger than the sum of its proper divisors (48123105).

80205135 is a wasteful number, since it uses less digits than its factorization.

80205135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5347017.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 80205135 is about 8955.7319633852. The cubic root of 80205135 is about 431.2549152979.

The spelling of 80205135 in words is "eighty million, two hundred five thousand, one hundred thirty-five".