80342135 has 4 divisors (see below), whose sum is σ = 96410568. Its totient is φ = 64273704.

The previous prime is 80342123. The next prime is 80342137. The reversal of 80342135 is 53124308.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80342135 - 2¹⁰ = 80341111 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 (80342137) 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, 8034209 + ... + 8034218.

It is an arithmetic number, because the mean of its divisors is an integer number (24102642).

Almost surely, 2^80342135 is an apocalyptic number.

80342135 is a deficient number, since it is larger than the sum of its proper divisors (16068433).

80342135 is a wasteful number, since it uses less digits than its factorization.

80342135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16068432.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 80342135 is about 8963.3774326422. The cubic root of 80342135 is about 431.5003206808.

The spelling of 80342135 in words is "eighty million, three hundred forty-two thousand, one hundred thirty-five".