139803498 has 12 divisors (see below), whose sum is σ = 302907618. Its totient is φ = 46601160.

The previous prime is 139803491. The next prime is 139803511. The reversal of 139803498 is 894308931.

139803498 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 134861769 + 4941729 = 11613^2 + 2223^2 .

It is not an unprimeable number, because it can be changed into a prime (139803491) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3883413 + ... + 3883448.

Almost surely, 2^139803498 is an apocalyptic number.

139803498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

139803498 is an abundant number, since it is smaller than the sum of its proper divisors (163104120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139803498 is a wasteful number, since it uses less digits than its factorization.

139803498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7766869 (or 7766866 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 139803498 is about 11823.8529253370. The cubic root of 139803498 is about 519.0063594173.

The spelling of 139803498 in words is "one hundred thirty-nine million, eight hundred three thousand, four hundred ninety-eight".