139703827 has 4 divisors (see below), whose sum is σ = 147056680. Its totient is φ = 132350976.

The previous prime is 139703819. The next prime is 139703831. The reversal of 139703827 is 728307931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 139703827 - 2³ = 139703819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 139703827.

It is not an unprimeable number, because it can be changed into a prime (139703867) 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 3 ways as a sum of consecutive naturals, for example, 3676398 + ... + 3676435.

It is an arithmetic number, because the mean of its divisors is an integer number (36764170).

Almost surely, 2^139703827 is an apocalyptic number.

139703827 is a deficient number, since it is larger than the sum of its proper divisors (7352853).

139703827 is an equidigital number, since it uses as much as digits as its factorization.

139703827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7352852.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 139703827 is about 11819.6373463825. The cubic root of 139703827 is about 518.8829905893.

The spelling of 139703827 in words is "one hundred thirty-nine million, seven hundred three thousand, eight hundred twenty-seven".