138169482 has 32 divisors (see below), whose sum is σ = 317329920. Its totient is φ = 39665520.

The previous prime is 138169469. The next prime is 138169517. The reversal of 138169482 is 284961831.

It is a super-2 number, since 2×138169482² = 38181611512296648, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53838 + ... + 56345.

It is an arithmetic number, because the mean of its divisors is an integer number (9916560).

Almost surely, 2^138169482 is an apocalyptic number.

138169482 is an abundant number, since it is smaller than the sum of its proper divisors (179160438).

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

138169482 is a wasteful number, since it uses less digits than its factorization.

138169482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110218.

The product of its digits is 82944, while the sum is 42.

The square root of 138169482 is about 11754.5515439765. The cubic root of 138169482 is about 516.9763902685.

The spelling of 138169482 in words is "one hundred thirty-eight million, one hundred sixty-nine thousand, four hundred eighty-two".