140073827 has 4 divisors (see below), whose sum is σ = 140737896. Its totient is φ = 139409760.

The previous prime is 140073811. The next prime is 140073839. The reversal of 140073827 is 728370041.

It is a happy number.

140073827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 728370041 = 7 ⋅104052863.

It is a cyclic number.

It is not a de Polignac number, because 140073827 - 2⁴ = 140073811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140073793 and 140073802.

It is not an unprimeable number, because it can be changed into a prime (140073877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331718 + ... + 332139.

It is an arithmetic number, because the mean of its divisors is an integer number (35184474).

Almost surely, 2^140073827 is an apocalyptic number.

140073827 is a deficient number, since it is larger than the sum of its proper divisors (664069).

140073827 is an equidigital number, since it uses as much as digits as its factorization.

140073827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664068.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 140073827 is about 11835.2789151756. The cubic root of 140073827 is about 519.3406670655.

The spelling of 140073827 in words is "one hundred forty million, seventy-three thousand, eight hundred twenty-seven".