139069123 has 8 divisors (see below), whose sum is σ = 144255600. Its totient is φ = 133908768.

The previous prime is 139069121. The next prime is 139069141. The reversal of 139069123 is 321960931.

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 139069123 - 2¹ = 139069121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139069121) 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, 4665 + ... + 17317.

It is an arithmetic number, because the mean of its divisors is an integer number (18031950).

Almost surely, 2^139069123 is an apocalyptic number.

139069123 is a deficient number, since it is larger than the sum of its proper divisors (5186477).

139069123 is a wasteful number, since it uses less digits than its factorization.

139069123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13061.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 139069123 is about 11792.7572263657. The cubic root of 139069123 is about 518.0959992120.

The spelling of 139069123 in words is "one hundred thirty-nine million, sixty-nine thousand, one hundred twenty-three".