139735822 has 8 divisors (see below), whose sum is σ = 209804472. Its totient is φ = 69801000.

The previous prime is 139735793. The next prime is 139735867. The reversal of 139735822 is 228537931.

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 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, 30804 + ... + 35047.

It is an arithmetic number, because the mean of its divisors is an integer number (26225559).

Almost surely, 2^139735822 is an apocalyptic number.

139735822 is a deficient number, since it is larger than the sum of its proper divisors (70068650).

139735822 is a wasteful number, since it uses less digits than its factorization.

139735822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66914.

The product of its digits is 90720, while the sum is 40.

The square root of 139735822 is about 11820.9907368207. The cubic root of 139735822 is about 518.9225991298.

The spelling of 139735822 in words is "one hundred thirty-nine million, seven hundred thirty-five thousand, eight hundred twenty-two".