162863139 has 4 divisors (see below), whose sum is σ = 217150856. Its totient is φ = 108575424.

The previous prime is 162863089. The next prime is 162863153. The reversal of 162863139 is 931368261.

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

It is not a de Polignac number, because 162863139 - 2⁸ = 162862883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 162863097 and 162863106.

It is not an unprimeable number, because it can be changed into a prime (162863189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27143854 + ... + 27143859.

It is an arithmetic number, because the mean of its divisors is an integer number (54287714).

Almost surely, 2^162863139 is an apocalyptic number.

162863139 is a deficient number, since it is larger than the sum of its proper divisors (54287717).

162863139 is an equidigital number, since it uses as much as digits as its factorization.

162863139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54287716.

The product of its digits is 46656, while the sum is 39.

The square root of 162863139 is about 12761.7843188169. The cubic root of 162863139 is about 546.1026286708.

The spelling of 162863139 in words is "one hundred sixty-two million, eight hundred sixty-three thousand, one hundred thirty-nine".