139874798 has 8 divisors (see below), whose sum is σ = 239785392. Its totient is φ = 59946336.

The previous prime is 139874797. The next prime is 139874831. The reversal of 139874798 is 897478931.

139874798 is digitally balanced in base 2, 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139874797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4995515 + ... + 4995542.

It is an arithmetic number, because the mean of its divisors is an integer number (29973174).

Almost surely, 2^139874798 is an apocalyptic number.

139874798 is a deficient number, since it is larger than the sum of its proper divisors (99910594).

139874798 is an equidigital number, since it uses as much as digits as its factorization.

139874798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9991066.

The product of its digits is 3048192, while the sum is 56.

The square root of 139874798 is about 11826.8676326405. The cubic root of 139874798 is about 519.0945757706.

The spelling of 139874798 in words is "one hundred thirty-nine million, eight hundred seventy-four thousand, seven hundred ninety-eight".