966515139 has 16 divisors (see below), whose sum is σ = 1433757600. Its totient is φ = 643495968.

The previous prime is 966515129. The next prime is 966515149. The reversal of 966515139 is 931515669.

It is an interprime number because it is at equal distance from previous prime (966515129) and next prime (966515149).

It is not a de Polignac number, because 966515139 - 2⁵ = 966515107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 966515094 and 966515103.

It is not an unprimeable number, because it can be changed into a prime (966515129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2284 + ... + 44025.

It is an arithmetic number, because the mean of its divisors is an integer number (89609850).

Almost surely, 2^966515139 is an apocalyptic number.

966515139 is a deficient number, since it is larger than the sum of its proper divisors (467242461).

966515139 is a wasteful number, since it uses less digits than its factorization.

966515139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47091 (or 47085 counting only the distinct ones).

The product of its digits is 218700, while the sum is 45.

The square root of 966515139 is about 31088.8265941319. The cubic root of 966515139 is about 988.7114273011.

The spelling of 966515139 in words is "nine hundred sixty-six million, five hundred fifteen thousand, one hundred thirty-nine".