139695126 has 16 divisors (see below), whose sum is σ = 284126400. Its totient is φ = 45775688.

The previous prime is 139695109. The next prime is 139695133. The reversal of 139695126 is 621596931.

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 7 ways as a sum of consecutive naturals, for example, 196956 + ... + 197663.

It is an arithmetic number, because the mean of its divisors is an integer number (17757900).

Almost surely, 2^139695126 is an apocalyptic number.

139695126 is an abundant number, since it is smaller than the sum of its proper divisors (144431274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139695126 is a wasteful number, since it uses less digits than its factorization.

139695126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394683.

The product of its digits is 87480, while the sum is 42.

The square root of 139695126 is about 11819.2692667525. The cubic root of 139695126 is about 518.8722180507.

The spelling of 139695126 in words is "one hundred thirty-nine million, six hundred ninety-five thousand, one hundred twenty-six".