887146139 has 8 divisors (see below), whose sum is σ = 1024725168. Its totient is φ = 759055360.

The previous prime is 887146123. The next prime is 887146153. The reversal of 887146139 is 931641788.

887146139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 887146139 - 2⁴ = 887146123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 887146093 and 887146102.

It is not an unprimeable number, because it can be changed into a prime (887146109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2371862 + ... + 2372235.

It is an arithmetic number, because the mean of its divisors is an integer number (128090646).

Almost surely, 2^887146139 is an apocalyptic number.

887146139 is a deficient number, since it is larger than the sum of its proper divisors (137579029).

887146139 is a wasteful number, since it uses less digits than its factorization.

887146139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4744125.

The product of its digits is 290304, while the sum is 47.

The square root of 887146139 is about 29784.9985563203. The cubic root of 887146139 is about 960.8709323613.

The spelling of 887146139 in words is "eight hundred eighty-seven million, one hundred forty-six thousand, one hundred thirty-nine".