80101140 has 48 divisors (see below), whose sum is σ = 256324992. Its totient is φ = 18308736.

The previous prime is 80101139. The next prime is 80101141. The reversal of 80101140 is 4110108.

It is an interprime number because it is at equal distance from previous prime (80101139) and next prime (80101141).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80101141) 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 15 ways as a sum of consecutive naturals, for example, 94939 + ... + 95778.

It is an arithmetic number, because the mean of its divisors is an integer number (5340104).

Almost surely, 2^80101140 is an apocalyptic number.

It is an amenable number.

80101140 is an abundant number, since it is smaller than the sum of its proper divisors (176223852).

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

80101140 is a wasteful number, since it uses less digits than its factorization.

80101140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190736 (or 190734 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 80101140 is about 8949.9240220239. The cubic root of 80101140 is about 431.0684444751.

Adding to 80101140 its reverse (4110108), we get a palindrome (84211248).

The spelling of 80101140 in words is "eighty million, one hundred one thousand, one hundred forty".