139695349 has 8 divisors (see below), whose sum is σ = 144644760. Its totient is φ = 134754816.

The previous prime is 139695337. The next prime is 139695373. The reversal of 139695349 is 943596931.

139695349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 77000625 + 62694724 = 8775^2 + 7918^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 139695349 - 2⁹ = 139694837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139695319) 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, 56589 + ... + 59005.

It is an arithmetic number, because the mean of its divisors is an integer number (18080595).

Almost surely, 2^139695349 is an apocalyptic number.

It is an amenable number.

139695349 is a deficient number, since it is larger than the sum of its proper divisors (4949411).

139695349 is a wasteful number, since it uses less digits than its factorization.

139695349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4439.

The product of its digits is 787320, while the sum is 49.

The square root of 139695349 is about 11819.2787004961. The cubic root of 139695349 is about 518.8724941482.

The spelling of 139695349 in words is "one hundred thirty-nine million, six hundred ninety-five thousand, three hundred forty-nine".