139832697 has 8 divisors (see below), whose sum is σ = 188254144. Its totient is φ = 92316528.

The previous prime is 139832677. The next prime is 139832713. The reversal of 139832697 is 796238931.

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

It is not a de Polignac number, because 139832697 - 2¹⁹ = 139308409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139832677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225958 + ... + 226575.

It is an arithmetic number, because the mean of its divisors is an integer number (23531768).

Almost surely, 2^139832697 is an apocalyptic number.

It is an amenable number.

139832697 is a deficient number, since it is larger than the sum of its proper divisors (48421447).

139832697 is a wasteful number, since it uses less digits than its factorization.

139832697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452639.

The product of its digits is 489888, while the sum is 48.

The square root of 139832697 is about 11825.0876106691. The cubic root of 139832697 is about 519.0424896811.

The spelling of 139832697 in words is "one hundred thirty-nine million, eight hundred thirty-two thousand, six hundred ninety-seven".