139241799 has 6 divisors (see below), whose sum is σ = 201127056. Its totient is φ = 92827860.

The previous prime is 139241797. The next prime is 139241803. The reversal of 139241799 is 997142931.

It is not a de Polignac number, because 139241799 - 2¹ = 139241797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139241797) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7735647 + ... + 7735664.

It is an arithmetic number, because the mean of its divisors is an integer number (33521176).

Almost surely, 2^139241799 is an apocalyptic number.

139241799 is a deficient number, since it is larger than the sum of its proper divisors (61885257).

139241799 is a wasteful number, since it uses less digits than its factorization.

139241799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15471317 (or 15471314 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 139241799 is about 11800.0762285673. The cubic root of 139241799 is about 518.3103428445.

The spelling of 139241799 in words is "one hundred thirty-nine million, two hundred forty-one thousand, seven hundred ninety-nine".