616775135 has 4 divisors (see below), whose sum is σ = 740130168. Its totient is φ = 493420104.

The previous prime is 616775077. The next prime is 616775143. The reversal of 616775135 is 531577616.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 616775135 - 2¹² = 616771039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 616775092 and 616775101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61677509 + ... + 61677518.

It is an arithmetic number, because the mean of its divisors is an integer number (185032542).

Almost surely, 2^616775135 is an apocalyptic number.

616775135 is a deficient number, since it is larger than the sum of its proper divisors (123355033).

616775135 is a wasteful number, since it uses less digits than its factorization.

616775135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123355032.

The product of its digits is 132300, while the sum is 41.

The square root of 616775135 is about 24834.9579222514. The cubic root of 616775135 is about 851.2209144490.

The spelling of 616775135 in words is "six hundred sixteen million, seven hundred seventy-five thousand, one hundred thirty-five".