139083898 has 8 divisors (see below), whose sum is σ = 217696608. Its totient is φ = 66518364.

The previous prime is 139083871. The next prime is 139083929. The reversal of 139083898 is 898380931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1511736 + ... + 1511827.

It is an arithmetic number, because the mean of its divisors is an integer number (27212076).

Almost surely, 2^139083898 is an apocalyptic number.

139083898 is a deficient number, since it is larger than the sum of its proper divisors (78612710).

139083898 is a wasteful number, since it uses less digits than its factorization.

139083898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3023588.

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 139083898 is about 11793.3836535576. The cubic root of 139083898 is about 518.1143464366.

The spelling of 139083898 in words is "one hundred thirty-nine million, eighty-three thousand, eight hundred ninety-eight".