138007677 has 8 divisors (see below), whose sum is σ = 184070016. Its totient is φ = 91975232.

The previous prime is 138007673. The next prime is 138007687. The reversal of 138007677 is 776700831.

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 138007677 - 2² = 138007673 is a prime.

It is a super-2 number, since 2×138007677² = 38092237821872658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138007673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7708 + ... + 18314.

It is an arithmetic number, because the mean of its divisors is an integer number (23008752).

Almost surely, 2^138007677 is an apocalyptic number.

It is an amenable number.

138007677 is a deficient number, since it is larger than the sum of its proper divisors (46062339).

138007677 is a wasteful number, since it uses less digits than its factorization.

138007677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14947.

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 138007677 is about 11747.6668747458. Note that the first 3 decimals coincide. The cubic root of 138007677 is about 516.7745076778.

The spelling of 138007677 in words is "one hundred thirty-eight million, seven thousand, six hundred seventy-seven".