139698103 has 4 divisors (see below), whose sum is σ = 140623408. Its totient is φ = 138772800.

The previous prime is 139698073. The next prime is 139698107. The reversal of 139698103 is 301896931.

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 139698103 - 2⁵ = 139698071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139698107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462426 + ... + 462727.

It is an arithmetic number, because the mean of its divisors is an integer number (35155852).

Almost surely, 2^139698103 is an apocalyptic number.

139698103 is a deficient number, since it is larger than the sum of its proper divisors (925305).

139698103 is an equidigital number, since it uses as much as digits as its factorization.

139698103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925304.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 139698103 is about 11819.3952044933. The cubic root of 139698103 is about 518.8759038667.

It can be divided in two parts, 1396 and 98103, that added together give a palindrome (99499).

The spelling of 139698103 in words is "one hundred thirty-nine million, six hundred ninety-eight thousand, one hundred three".