139741389 has 16 divisors (see below), whose sum is σ = 207961600. Its totient is φ = 92739168.

The previous prime is 139741361. The next prime is 139741429. The reversal of 139741389 is 983147931.

It is not a de Polignac number, because 139741389 - 2¹² = 139737293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139041389) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5584 + ... + 17625.

It is an arithmetic number, because the mean of its divisors is an integer number (12997600).

Almost surely, 2^139741389 is an apocalyptic number.

It is an amenable number.

139741389 is a deficient number, since it is larger than the sum of its proper divisors (68220211).

139741389 is a wasteful number, since it uses less digits than its factorization.

139741389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23441 (or 23435 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 139741389 is about 11821.2262054323. The cubic root of 139741389 is about 518.9294902374.

The spelling of 139741389 in words is "one hundred thirty-nine million, seven hundred forty-one thousand, three hundred eighty-nine".