139098436 has 9 divisors (see below), whose sum is σ = 243463549. Its totient is φ = 69537424.

The previous prime is 139098433. The next prime is 139098439. The reversal of 139098436 is 634890931.

The square root of 139098436 is 11794.

It is a perfect power (a square), and thus also a powerful number.

139098436 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (139098433) and next prime (139098439).

It can be written as a sum of positive squares in only one way, i.e., 127916100 + 11182336 = 11310^2 + 3344^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139098392 and 139098401.

It is not an unprimeable number, because it can be changed into a prime (139098431) 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 2 ways as a sum of consecutive naturals, for example, 20640 + ... + 26536.

Almost surely, 2^139098436 is an apocalyptic number.

139098436 is the 11794-th square number.

It is an amenable number.

139098436 is a deficient number, since it is larger than the sum of its proper divisors (104365113).

139098436 is an frugal number, since it uses more digits than its factorization.

139098436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11798 (or 5899 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The cubic root of 139098436 is about 518.1323980924.

The spelling of 139098436 in words is "one hundred thirty-nine million, ninety-eight thousand, four hundred thirty-six".