139819059 has 6 divisors (see below), whose sum is σ = 201960876. Its totient is φ = 93212700.

The previous prime is 139819039. The next prime is 139819073. The reversal of 139819059 is 950918931.

It is not a de Polignac number, because 139819059 - 2¹² = 139814963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139819039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7767717 + ... + 7767734.

It is an arithmetic number, because the mean of its divisors is an integer number (33660146).

Almost surely, 2^139819059 is an apocalyptic number.

139819059 is a deficient number, since it is larger than the sum of its proper divisors (62141817).

139819059 is a wasteful number, since it uses less digits than its factorization.

139819059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15535457 (or 15535454 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The square root of 139819059 is about 11824.5109412610. The cubic root of 139819059 is about 519.0256149163.

The spelling of 139819059 in words is "one hundred thirty-nine million, eight hundred nineteen thousand, fifty-nine".