814676139 has 6 divisors (see below), whose sum is σ = 1176754436. Its totient is φ = 543117420.

The previous prime is 814676111. The next prime is 814676141. The reversal of 814676139 is 931676418.

It is a happy number.

It is not a de Polignac number, because 814676139 - 2¹⁶ = 814610603 is a prime.

It is a super-2 number, since 2×814676139² = 1327394422911894642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 814676094 and 814676103.

It is not an unprimeable number, because it can be changed into a prime (814676179) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45259777 + ... + 45259794.

Almost surely, 2^814676139 is an apocalyptic number.

814676139 is a deficient number, since it is larger than the sum of its proper divisors (362078297).

814676139 is a wasteful number, since it uses less digits than its factorization.

814676139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90519577 (or 90519574 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 814676139 is about 28542.5321056139. The cubic root of 814676139 is about 933.9601197002.

The spelling of 814676139 in words is "eight hundred fourteen million, six hundred seventy-six thousand, one hundred thirty-nine".