139336149 has 16 divisors (see below), whose sum is σ = 188739072. Its totient is φ = 91423728.

The previous prime is 139336147. The next prime is 139336181. The reversal of 139336149 is 941633931.

It is not a de Polignac number, because 139336149 - 2¹ = 139336147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139336147) 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 15 ways as a sum of consecutive naturals, for example, 50992 + ... + 53654.

It is an arithmetic number, because the mean of its divisors is an integer number (11796192).

Almost surely, 2^139336149 is an apocalyptic number.

It is an amenable number.

139336149 is a deficient number, since it is larger than the sum of its proper divisors (49402923).

139336149 is a wasteful number, since it uses less digits than its factorization.

139336149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936.

The product of its digits is 52488, while the sum is 39.

The square root of 139336149 is about 11804.0734070913. The cubic root of 139336149 is about 518.4273851405.

The spelling of 139336149 in words is "one hundred thirty-nine million, three hundred thirty-six thousand, one hundred forty-nine".