616463139 has 16 divisors (see below), whose sum is σ = 842480640. Its totient is φ = 400774080.

The previous prime is 616463131. The next prime is 616463153. The reversal of 616463139 is 931364616.

It is not a de Polignac number, because 616463139 - 2³ = 616463131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 616463097 and 616463106.

It is not an unprimeable number, because it can be changed into a prime (616463131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31842 + ... + 47400.

It is an arithmetic number, because the mean of its divisors is an integer number (52655040).

Almost surely, 2^616463139 is an apocalyptic number.

616463139 is a deficient number, since it is larger than the sum of its proper divisors (226017501).

616463139 is a wasteful number, since it uses less digits than its factorization.

616463139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15890.

The product of its digits is 69984, while the sum is 39.

The square root of 616463139 is about 24828.6757399584. The cubic root of 616463139 is about 851.0773600703.

The spelling of 616463139 in words is "six hundred sixteen million, four hundred sixty-three thousand, one hundred thirty-nine".