139926814 has 8 divisors (see below), whose sum is σ = 211968648. Its totient is φ = 69270600.

The previous prime is 139926793. The next prime is 139926821. The reversal of 139926814 is 418629931.

It is a happy number.

139926814 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346152 + ... + 346555.

It is an arithmetic number, because the mean of its divisors is an integer number (26496081).

Almost surely, 2^139926814 is an apocalyptic number.

139926814 is a deficient number, since it is larger than the sum of its proper divisors (72041834).

139926814 is a wasteful number, since it uses less digits than its factorization.

139926814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692810.

The product of its digits is 93312, while the sum is 43.

The square root of 139926814 is about 11829.0664889500. The cubic root of 139926814 is about 519.1589139681.

The spelling of 139926814 in words is "one hundred thirty-nine million, nine hundred twenty-six thousand, eight hundred fourteen".