138454082 has 8 divisors (see below), whose sum is σ = 223656636. Its totient is φ = 63901872.

The previous prime is 138454067. The next prime is 138454097. The reversal of 138454082 is 280454831.

It is an interprime number because it is at equal distance from previous prime (138454067) and next prime (138454097).

It can be written as a sum of positive squares in 2 ways, for example, as 112126921 + 26327161 = 10589^2 + 5131^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2662553 + ... + 2662604.

Almost surely, 2^138454082 is an apocalyptic number.

138454082 is a deficient number, since it is larger than the sum of its proper divisors (85202554).

138454082 is a wasteful number, since it uses less digits than its factorization.

138454082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5325172.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 138454082 is about 11766.6512653346. The cubic root of 138454082 is about 517.3311009568.

The spelling of 138454082 in words is "one hundred thirty-eight million, four hundred fifty-four thousand, eighty-two".