80500136 has 16 divisors (see below), whose sum is σ = 151034100. Its totient is φ = 40224384.

The previous prime is 80500129. The next prime is 80500139. The reversal of 80500136 is 63100508.

It can be written as a sum of positive squares in 2 ways, for example, as 76912900 + 3587236 = 8770^2 + 1894^2 .

It is not an unprimeable number, because it can be changed into a prime (80500139) 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, 19850 + ... + 23558.

Almost surely, 2^80500136 is an apocalyptic number.

It is an amenable number.

80500136 is a deficient number, since it is larger than the sum of its proper divisors (70533964).

80500136 is a wasteful number, since it uses less digits than its factorization.

80500136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6428 (or 6424 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 80500136 is about 8972.1868014437. The cubic root of 80500136 is about 431.7829985820.

The spelling of 80500136 in words is "eighty million, five hundred thousand, one hundred thirty-six".