80137291 has 8 divisors (see below), whose sum is σ = 87272640. Its totient is φ = 73140672.

The previous prime is 80137273. The next prime is 80137327. The reversal of 80137291 is 19273108.

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

It is a cyclic number.

It is not a de Polignac number, because 80137291 - 2⁹ = 80136779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80137271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33475 + ... + 35788.

It is an arithmetic number, because the mean of its divisors is an integer number (10909080).

Almost surely, 2^80137291 is an apocalyptic number.

80137291 is a deficient number, since it is larger than the sum of its proper divisors (7135349).

80137291 is a wasteful number, since it uses less digits than its factorization.

80137291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69365.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 80137291 is about 8951.9434202859. The cubic root of 80137291 is about 431.1332842163.

The spelling of 80137291 in words is "eighty million, one hundred thirty-seven thousand, two hundred ninety-one".