139734698 has 8 divisors (see below), whose sum is σ = 209673792. Its totient is φ = 69843436.

The previous prime is 139734689. The next prime is 139734737. The reversal of 139734698 is 896437931.

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, 3440 + ... + 17067.

It is an arithmetic number, because the mean of its divisors is an integer number (26209224).

Almost surely, 2^139734698 is an apocalyptic number.

139734698 is a deficient number, since it is larger than the sum of its proper divisors (69939094).

139734698 is a wasteful number, since it uses less digits than its factorization.

139734698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23916.

The product of its digits is 979776, while the sum is 50.

The square root of 139734698 is about 11820.9431941787. The cubic root of 139734698 is about 518.9212077649.

The spelling of 139734698 in words is "one hundred thirty-nine million, seven hundred thirty-four thousand, six hundred ninety-eight".