139674898 has 12 divisors (see below), whose sum is σ = 230290830. Its totient is φ = 63488480.

The previous prime is 139674881. The next prime is 139674919. The reversal of 139674898 is 898476931.

It can be written as a sum of positive squares in only one way, i.e., 115498009 + 24176889 = 10747^2 + 4917^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 288343 + ... + 288826.

Almost surely, 2^139674898 is an apocalyptic number.

139674898 is a deficient number, since it is larger than the sum of its proper divisors (90615932).

139674898 is a wasteful number, since it uses less digits than its factorization.

139674898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577193 (or 577182 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 55.

The square root of 139674898 is about 11818.4135145120. The cubic root of 139674898 is about 518.8471724289.

The spelling of 139674898 in words is "one hundred thirty-nine million, six hundred seventy-four thousand, eight hundred ninety-eight".