139094459 has 16 divisors (see below), whose sum is σ = 177177600. Its totient is φ = 106303104.

The previous prime is 139094453. The next prime is 139094491. The reversal of 139094459 is 954490931.

It is a happy number.

139094459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 139094459 - 2⁴ = 139094443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139094453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28499 + ... + 33020.

It is an arithmetic number, because the mean of its divisors is an integer number (11073600).

Almost surely, 2^139094459 is an apocalyptic number.

139094459 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

139094459 is a deficient number, since it is larger than the sum of its proper divisors (38083141).

139094459 is a wasteful number, since it uses less digits than its factorization.

139094459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61562.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 139094459 is about 11793.8313961155. The cubic root of 139094459 is about 518.1274600254.

The spelling of 139094459 in words is "one hundred thirty-nine million, ninety-four thousand, four hundred fifty-nine".