139829623 has 8 divisors (see below), whose sum is σ = 148242560. Its totient is φ = 131660640.

The previous prime is 139829621. The next prime is 139829681. The reversal of 139829623 is 326928931.

139829623 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 a cyclic number.

It is not a de Polignac number, because 139829623 - 2¹ = 139829621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 139829623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139829621) 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, 59808 + ... + 62101.

It is an arithmetic number, because the mean of its divisors is an integer number (18530320).

Almost surely, 2^139829623 is an apocalyptic number.

139829623 is a deficient number, since it is larger than the sum of its proper divisors (8412937).

139829623 is a wasteful number, since it uses less digits than its factorization.

139829623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121977.

The product of its digits is 139968, while the sum is 43.

The square root of 139829623 is about 11824.9576320594. The cubic root of 139829623 is about 519.0386862113.

The spelling of 139829623 in words is "one hundred thirty-nine million, eight hundred twenty-nine thousand, six hundred twenty-three".