80137140 has 24 divisors (see below), whose sum is σ = 224384160. Its totient is φ = 21369888.

The previous prime is 80137111. The next prime is 80137151. The reversal of 80137140 is 4173108.

It is a super-2 number, since 2×80137140² = 12843922414759200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80137140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667750 + ... + 667869.

It is an arithmetic number, because the mean of its divisors is an integer number (9349340).

Almost surely, 2^80137140 is an apocalyptic number.

It is an amenable number.

80137140 is an abundant number, since it is smaller than the sum of its proper divisors (144247020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80137140 is a wasteful number, since it uses less digits than its factorization.

80137140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335631 (or 1335629 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 80137140 is about 8951.9349863591. The cubic root of 80137140 is about 431.1330134261.

The spelling of 80137140 in words is "eighty million, one hundred thirty-seven thousand, one hundred forty".