138762007 has 8 divisors (see below), whose sum is σ = 149334192. Its totient is φ = 128457600.

The previous prime is 138761971. The next prime is 138762011. The reversal of 138762007 is 700267831.

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

It is a cyclic number.

It is not a de Polignac number, because 138762007 - 2⁷ = 138761879 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 (138762067) 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, 65869 + ... + 67942.

It is an arithmetic number, because the mean of its divisors is an integer number (18666774).

Almost surely, 2^138762007 is an apocalyptic number.

138762007 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

138762007 is a deficient number, since it is larger than the sum of its proper divisors (10572185).

138762007 is a wasteful number, since it uses less digits than its factorization.

138762007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133889.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 138762007 is about 11779.7286471294. The cubic root of 138762007 is about 517.7143356670.

The spelling of 138762007 in words is "one hundred thirty-eight million, seven hundred sixty-two thousand, seven".