139184071 has 8 divisors (see below), whose sum is σ = 150464160. Its totient is φ = 127985952.

The previous prime is 139184057. The next prime is 139184081. The reversal of 139184071 is 170481931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 139184071 - 2⁷ = 139183943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139184041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16936 + ... + 23773.

It is an arithmetic number, because the mean of its divisors is an integer number (18808020).

Almost surely, 2^139184071 is an apocalyptic number.

139184071 is a deficient number, since it is larger than the sum of its proper divisors (11280089).

139184071 is a wasteful number, since it uses less digits than its factorization.

139184071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40985.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 139184071 is about 11797.6298890921. The cubic root of 139184071 is about 518.2387045012.

The spelling of 139184071 in words is "one hundred thirty-nine million, one hundred eighty-four thousand, seventy-one".