139395050 has 24 divisors (see below), whose sum is σ = 261801696. Its totient is φ = 55214640.

The previous prime is 139395031. The next prime is 139395079. The reversal of 139395050 is 50593931.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 139395050.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8384 + ... + 18683.

It is an arithmetic number, because the mean of its divisors is an integer number (10908404).

Almost surely, 2^139395050 is an apocalyptic number.

139395050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139395050 is a deficient number, since it is larger than the sum of its proper divisors (122406646).

139395050 is a wasteful number, since it uses less digits than its factorization.

139395050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27182 (or 27177 counting only the distinct ones).

The product of its (nonzero) digits is 18225, while the sum is 35.

The square root of 139395050 is about 11806.5680872978. The cubic root of 139395050 is about 518.5004257450.

The spelling of 139395050 in words is "one hundred thirty-nine million, three hundred ninety-five thousand, fifty".