139414435 has 4 divisors (see below), whose sum is σ = 167297328. Its totient is φ = 111531544.

The previous prime is 139414427. The next prime is 139414453. The reversal of 139414435 is 534414931.

139414435 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 534414931 = 997 ⋅536023.

It is a cyclic number.

It is not a de Polignac number, because 139414435 - 2³ = 139414427 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 139414435.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13941439 + ... + 13941448.

It is an arithmetic number, because the mean of its divisors is an integer number (41824332).

Almost surely, 2^139414435 is an apocalyptic number.

139414435 is a deficient number, since it is larger than the sum of its proper divisors (27882893).

139414435 is an equidigital number, since it uses as much as digits as its factorization.

139414435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27882892.

The product of its digits is 25920, while the sum is 34.

The square root of 139414435 is about 11807.3890001134. The cubic root of 139414435 is about 518.5244597521.

The spelling of 139414435 in words is "one hundred thirty-nine million, four hundred fourteen thousand, four hundred thirty-five".