675136861 has 16 divisors (see below), whose sum is σ = 859973760. Its totient is φ = 515980800.

The previous prime is 675136859. The next prime is 675136909. The reversal of 675136861 is 168631576.

It is a cyclic number.

It is not a de Polignac number, because 675136861 - 2¹ = 675136859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675136801) 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, 147040 + ... + 151561.

It is an arithmetic number, because the mean of its divisors is an integer number (53748360).

Almost surely, 2^675136861 is an apocalyptic number.

It is an amenable number.

675136861 is a deficient number, since it is larger than the sum of its proper divisors (184836899).

675136861 is a wasteful number, since it uses less digits than its factorization.

675136861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298644.

The product of its digits is 181440, while the sum is 43.

The square root of 675136861 is about 25983.3958712098. The cubic root of 675136861 is about 877.2646039747.

The spelling of 675136861 in words is "six hundred seventy-five million, one hundred thirty-six thousand, eight hundred sixty-one".