139629 has 16 divisors (see below), whose sum is σ = 218240. Its totient is φ = 77760.

The previous prime is 139627. The next prime is 139661. The reversal of 139629 is 926931.

It is not a de Polignac number, because 139629 - 2¹ = 139627 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139596 and 139605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139627) 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, 1227 + ... + 1335.

It is an arithmetic number, because the mean of its divisors is an integer number (13640).

2¹³⁹⁶²⁹ is an apocalyptic number.

It is an amenable number.

139629 is a deficient number, since it is larger than the sum of its proper divisors (78611).

139629 is a wasteful number, since it uses less digits than its factorization.

139629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180.

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

The square root of 139629 is about 373.6696401904. The cubic root of 139629 is about 51.8790334116.

The spelling of 139629 in words is "one hundred thirty-nine thousand, six hundred twenty-nine".