139844098 has 8 divisors (see below), whose sum is σ = 212123340. Its totient is φ = 69136320.

The previous prime is 139844093. The next prime is 139844137. The reversal of 139844098 is 890448931.

It can be written as a sum of positive squares in 2 ways, for example, as 130028409 + 9815689 = 11403^2 + 3133^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (139844093) 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, 392643 + ... + 392998.

Almost surely, 2^139844098 is an apocalyptic number.

139844098 is a deficient number, since it is larger than the sum of its proper divisors (72279242).

139844098 is an equidigital number, since it uses as much as digits as its factorization.

139844098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785732.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 139844098 is about 11825.5696691534. The cubic root of 139844098 is about 519.0565956871.

The spelling of 139844098 in words is "one hundred thirty-nine million, eight hundred forty-four thousand, ninety-eight".