807140 has 12 divisors (see below), whose sum is σ = 1695036. Its totient is φ = 322848.

The previous prime is 807127. The next prime is 807151. The reversal of 807140 is 41708.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 128164 + 678976 = 358^2 + 824^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 40357 = 807140 / (8 + 0 + 7 + 1 + 4 + 0).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 807140.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20159 + ... + 20198.

It is an arithmetic number, because the mean of its divisors is an integer number (141253).

2⁸⁰⁷¹⁴⁰ is an apocalyptic number.

It is an amenable number.

807140 is an abundant number, since it is smaller than the sum of its proper divisors (887896).

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

807140 is a wasteful number, since it uses less digits than its factorization.

807140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40366 (or 40364 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 807140 is about 898.4097060918. The cubic root of 807140 is about 93.1071336384.

Adding to 807140 its reverse (41708), we get a palindrome (848848).

The spelling of 807140 in words is "eight hundred seven thousand, one hundred forty".