1614442139 has 8 divisors (see below), whose sum is σ = 1625843520. Its totient is φ = 1603059336.

The previous prime is 1614442129. The next prime is 1614442153. The reversal of 1614442139 is 9312444161.

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 1614442139 - 2¹² = 1614438043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1614442099 and 1614442108.

It is not an unprimeable number, because it can be changed into a prime (1614442129) 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, 201284 + ... + 209150.

It is an arithmetic number, because the mean of its divisors is an integer number (203230440).

Almost surely, 2^1614442139 is an apocalyptic number.

1614442139 is a deficient number, since it is larger than the sum of its proper divisors (11401381).

1614442139 is a wasteful number, since it uses less digits than its factorization.

1614442139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9289.

The product of its digits is 20736, while the sum is 35.

The square root of 1614442139 is about 40180.1211919526. The cubic root of 1614442139 is about 1173.1156491197.

The spelling of 1614442139 in words is "one billion, six hundred fourteen million, four hundred forty-two thousand, one hundred thirty-nine".