965419139 has 2 divisors, whose sum is σ = 965419140. Its totient is φ = 965419138.

The previous prime is 965419111. The next prime is 965419141. The reversal of 965419139 is 931914569.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-965419139 is a prime.

It is a super-2 number, since 2×965419139² = 1864068227895002642, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 965419141, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 965419093 and 965419102.

It is not a weakly prime, because it can be changed into another prime (965419159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482709569 + 482709570.

It is an arithmetic number, because the mean of its divisors is an integer number (482709570).

Almost surely, 2^965419139 is an apocalyptic number.

965419139 is a deficient number, since it is larger than the sum of its proper divisors (1).

965419139 is an equidigital number, since it uses as much as digits as its factorization.

965419139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 262440, while the sum is 47.

The square root of 965419139 is about 31071.1946825351. The cubic root of 965419139 is about 988.3375626335.

The spelling of 965419139 in words is "nine hundred sixty-five million, four hundred nineteen thousand, one hundred thirty-nine".