138560607677 has 8 divisors (see below), whose sum is σ = 146714513976. Its totient is φ = 130407066112.

The previous prime is 138560607649. The next prime is 138560607683. The reversal of 138560607677 is 776706065831.

It can be written as a sum of positive squares in 4 ways, for example, as 6074799481 + 132485808196 = 77941^2 + 363986^2 .

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 138560607677 - 2¹² = 138560603581 is a prime.

It is a super-2 number, since 2×138560607677² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138560607607) 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, 1281473 + ... + 1385385.

It is an arithmetic number, because the mean of its divisors is an integer number (18339314247).

Almost surely, 2^138560607677 is an apocalyptic number.

138560607677 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

138560607677 is a deficient number, since it is larger than the sum of its proper divisors (8153906299).

138560607677 is a wasteful number, since it uses less digits than its factorization.

138560607677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182367.

The product of its (nonzero) digits is 8890560, while the sum is 56.

The spelling of 138560607677 in words is "one hundred thirty-eight billion, five hundred sixty million, six hundred seven thousand, six hundred seventy-seven".