138803007 has 8 divisors (see below), whose sum is σ = 211509376. Its totient is φ = 79315992.

The previous prime is 138802997. The next prime is 138803017. The reversal of 138803007 is 700308831.

It is an interprime number because it is at equal distance from previous prime (138802997) and next prime (138803017).

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

It is not a de Polignac number, because 138803007 - 2⁴ = 138802991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138803017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3304813 + ... + 3304854.

It is an arithmetic number, because the mean of its divisors is an integer number (26438672).

Almost surely, 2^138803007 is an apocalyptic number.

138803007 is a deficient number, since it is larger than the sum of its proper divisors (72706369).

138803007 is an equidigital number, since it uses as much as digits as its factorization.

138803007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6609677.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 138803007 is about 11781.4687963768. The cubic root of 138803007 is about 517.7653203181.

The spelling of 138803007 in words is "one hundred thirty-eight million, eight hundred three thousand, seven".