139484998 has 8 divisors (see below), whose sum is σ = 209288592. Its totient is φ = 69722136.

The previous prime is 139484987. The next prime is 139485013. The reversal of 139484998 is 899484931.

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

It is a congruent number.

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, 711 + ... + 16717.

It is an arithmetic number, because the mean of its divisors is an integer number (26161074).

Almost surely, 2^139484998 is an apocalyptic number.

139484998 is a deficient number, since it is larger than the sum of its proper divisors (69803594).

139484998 is a wasteful number, since it uses less digits than its factorization.

139484998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20366.

The product of its digits is 2239488, while the sum is 55.

The square root of 139484998 is about 11810.3767086406. The cubic root of 139484998 is about 518.6119267116.

The spelling of 139484998 in words is "one hundred thirty-nine million, four hundred eighty-four thousand, nine hundred ninety-eight".