167139144 has 48 divisors (see below), whose sum is σ = 462309120. Its totient is φ = 54526560.

The previous prime is 167139131. The next prime is 167139149. The reversal of 167139144 is 441931761.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 167139099 and 167139108.

It is not an unprimeable number, because it can be changed into a prime (167139149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21312 + ... + 28079.

It is an arithmetic number, because the mean of its divisors is an integer number (9631440).

Almost surely, 2^167139144 is an apocalyptic number.

It is an amenable number.

167139144 is an abundant number, since it is smaller than the sum of its proper divisors (295169976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

167139144 is a wasteful number, since it uses less digits than its factorization.

167139144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49450 (or 49443 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 167139144 is about 12928.2305053708. The cubic root of 167139144 is about 550.8407461119.

The spelling of 167139144 in words is "one hundred sixty-seven million, one hundred thirty-nine thousand, one hundred forty-four".