138602867 has 8 divisors (see below), whose sum is σ = 149615424. Its totient is φ = 127640448.

The previous prime is 138602839. The next prime is 138602873. The reversal of 138602867 is 768206831.

It is a happy number.

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

It is not a de Polignac number, because 138602867 - 2¹⁶ = 138537331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138602467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6683 + ... + 17940.

It is an arithmetic number, because the mean of its divisors is an integer number (18701928).

Almost surely, 2^138602867 is an apocalyptic number.

138602867 is a deficient number, since it is larger than the sum of its proper divisors (11012557).

138602867 is a wasteful number, since it uses less digits than its factorization.

138602867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25069.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 138602867 is about 11772.9718847876. The cubic root of 138602867 is about 517.5163454117.

The spelling of 138602867 in words is "one hundred thirty-eight million, six hundred two thousand, eight hundred sixty-seven".