986385133 has 4 divisors (see below), whose sum is σ = 1038300160. Its totient is φ = 934470108.

The previous prime is 986385119. The next prime is 986385137. The reversal of 986385133 is 331583689.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 331583689 = 379 ⋅874891.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-986385133 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 (986385137) 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 3 ways as a sum of consecutive naturals, for example, 25957485 + ... + 25957522.

It is an arithmetic number, because the mean of its divisors is an integer number (259575040).

Almost surely, 2^986385133 is an apocalyptic number.

It is an amenable number.

986385133 is a deficient number, since it is larger than the sum of its proper divisors (51915027).

986385133 is a wasteful number, since it uses less digits than its factorization.

986385133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51915026.

The product of its digits is 466560, while the sum is 46.

The square root of 986385133 is about 31406.7689041710. The cubic root of 986385133 is about 995.4409577198.

The spelling of 986385133 in words is "nine hundred eighty-six million, three hundred eighty-five thousand, one hundred thirty-three".