139098608 has 20 divisors (see below), whose sum is σ = 294004248. Its totient is φ = 63226560.

The previous prime is 139098599. The next prime is 139098611. The reversal of 139098608 is 806890931.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394991 + ... + 395342.

Almost surely, 2^139098608 is an apocalyptic number.

It is an amenable number.

139098608 is an abundant number, since it is smaller than the sum of its proper divisors (154905640).

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

139098608 is a wasteful number, since it uses less digits than its factorization.

139098608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790352 (or 790346 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 139098608 is about 11794.0072918411. The cubic root of 139098608 is about 518.1326116551.

The spelling of 139098608 in words is "one hundred thirty-nine million, ninety-eight thousand, six hundred eight".