734139 has 24 divisors (see below), whose sum is σ = 1244672. Its totient is φ = 408240.

The previous prime is 734131. The next prime is 734143. The reversal of 734139 is 931437.

734139 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 734139 - 2³ = 734131 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

Its product of digits (2268) is a multiple of the sum of its prime divisors (324).

734139 is strictly pandigital in base 7.

734139 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (734131) 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 23 ways as a sum of consecutive naturals, for example, 2574 + ... + 2844.

2⁷³⁴¹³⁹ is an apocalyptic number.

734139 is a deficient number, since it is larger than the sum of its proper divisors (510533).

734139 is a wasteful number, since it uses less digits than its factorization.

734139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 324 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 734139 is about 856.8191174338. The cubic root of 734139 is about 90.2109864806.

The spelling of 734139 in words is "seven hundred thirty-four thousand, one hundred thirty-nine".