138667102 has 8 divisors (see below), whose sum is σ = 237715056. Its totient is φ = 59428752.

The previous prime is 138667097. The next prime is 138667103. The reversal of 138667102 is 201766831.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138667103) 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 3 ways as a sum of consecutive naturals, for example, 4952383 + ... + 4952410.

It is an arithmetic number, because the mean of its divisors is an integer number (29714382).

Almost surely, 2^138667102 is an apocalyptic number.

138667102 is a deficient number, since it is larger than the sum of its proper divisors (99047954).

138667102 is an equidigital number, since it uses as much as digits as its factorization.

138667102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9904802.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 138667102 is about 11775.6996395119. The cubic root of 138667102 is about 517.5962800939.

The spelling of 138667102 in words is "one hundred thirty-eight million, six hundred sixty-seven thousand, one hundred two".