140827 has 2 divisors, whose sum is σ = 140828. Its totient is φ = 140826.

The previous prime is 140813. The next prime is 140831. The reversal of 140827 is 728041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140827 is a prime.

It is an Ulam number.

140827 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 140798 and 140807.

It is not a weakly prime, because it can be changed into another prime (140837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70413 + 70414.

It is an arithmetic number, because the mean of its divisors is an integer number (70414).

2¹⁴⁰⁸²⁷ is an apocalyptic number.

140827 is a deficient number, since it is larger than the sum of its proper divisors (1).

140827 is an equidigital number, since it uses as much as digits as its factorization.

140827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 140827 is about 375.2692366821. The cubic root of 140827 is about 52.0269830374.

Adding to 140827 its reverse (728041), we get a palindrome (868868).

The spelling of 140827 in words is "one hundred forty thousand, eight hundred twenty-seven".