629139 has 8 divisors (see below), whose sum is σ = 958720. Its totient is φ = 359496.

The previous prime is 629137. The next prime is 629143. The reversal of 629139 is 931926.

629139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 629139 - 2¹ = 629137 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (629137) 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, 14959 + ... + 15000.

It is an arithmetic number, because the mean of its divisors is an integer number (119840).

2⁶²⁹¹³⁹ is an apocalyptic number.

629139 is a deficient number, since it is larger than the sum of its proper divisors (329581).

629139 is a wasteful number, since it uses less digits than its factorization.

629139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29969.

The product of its digits is 2916, while the sum is 30.

The square root of 629139 is about 793.1828288610. The cubic root of 629139 is about 85.6871179772.

The spelling of 629139 in words is "six hundred twenty-nine thousand, one hundred thirty-nine".