80133436 has 6 divisors (see below), whose sum is σ = 140233520. Its totient is φ = 40066716.

The previous prime is 80133401. The next prime is 80133439. The reversal of 80133436 is 63433108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80133439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10016676 + ... + 10016683.

Almost surely, 2^80133436 is an apocalyptic number.

It is an amenable number.

80133436 is a deficient number, since it is larger than the sum of its proper divisors (60100084).

80133436 is a wasteful number, since it uses less digits than its factorization.

80133436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20033363 (or 20033361 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 80133436 is about 8951.7281013221. The cubic root of 80133436 is about 431.1263708911.

It can be divided in two parts, 8013 and 3436, that added together give a square (11449 = 107²).

The spelling of 80133436 in words is "eighty million, one hundred thirty-three thousand, four hundred thirty-six".