80353139 has 4 divisors (see below), whose sum is σ = 80379024. Its totient is φ = 80327256.

The previous prime is 80353121. The next prime is 80353181. The reversal of 80353139 is 93135308.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80353139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80353439) 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, 7532 + ... + 14745.

It is an arithmetic number, because the mean of its divisors is an integer number (20094756).

Almost surely, 2^80353139 is an apocalyptic number.

80353139 is a deficient number, since it is larger than the sum of its proper divisors (25885).

80353139 is a wasteful number, since it uses less digits than its factorization.

80353139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25884.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 80353139 is about 8963.9912427445. The cubic root of 80353139 is about 431.5200198203.

The spelling of 80353139 in words is "eighty million, three hundred fifty-three thousand, one hundred thirty-nine".