139827361 has 4 divisors (see below), whose sum is σ = 141512112. Its totient is φ = 138142612.

The previous prime is 139827353. The next prime is 139827439. The reversal of 139827361 is 163728931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 139827361 - 2³ = 139827353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139827301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842251 + ... + 842416.

It is an arithmetic number, because the mean of its divisors is an integer number (35378028).

Almost surely, 2^139827361 is an apocalyptic number.

It is an amenable number.

139827361 is a deficient number, since it is larger than the sum of its proper divisors (1684751).

139827361 is an equidigital number, since it uses as much as digits as its factorization.

139827361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684750.

The product of its digits is 54432, while the sum is 40.

The square root of 139827361 is about 11824.8619865096. The cubic root of 139827361 is about 519.0358873961.

The spelling of 139827361 in words is "one hundred thirty-nine million, eight hundred twenty-seven thousand, three hundred sixty-one".