139964674 has 8 divisors (see below), whose sum is σ = 210582288. Its totient is φ = 69770580.

The previous prime is 139964651. The next prime is 139964681. The reversal of 139964674 is 476469931.

139964674 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105052 + ... + 106375.

It is an arithmetic number, because the mean of its divisors is an integer number (26322786).

Almost surely, 2^139964674 is an apocalyptic number.

139964674 is a deficient number, since it is larger than the sum of its proper divisors (70617614).

139964674 is a wasteful number, since it uses less digits than its factorization.

139964674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211760.

The product of its digits is 979776, while the sum is 49.

The square root of 139964674 is about 11830.6666760585. Note that the first 4 decimals coincide. The cubic root of 139964674 is about 519.2057326906.

The spelling of 139964674 in words is "one hundred thirty-nine million, nine hundred sixty-four thousand, six hundred seventy-four".