137198672848987 has 2 divisors, whose sum is σ = 137198672848988. Its totient is φ = 137198672848986.

The previous prime is 137198672848973. The next prime is 137198672849023. The reversal of 137198672848987 is 789848276891731.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137198672848987 - 2²³ = 137198664460379 is a prime.

It is a super-2 number, since 2×137198672848987² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 137198672848898 and 137198672848907.

It is not a weakly prime, because it can be changed into another prime (137198672848927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68599336424493 + 68599336424494.

It is an arithmetic number, because the mean of its divisors is an integer number (68599336424494).

Almost surely, 2^{137198672848987} is an apocalyptic number.

137198672848987 is a deficient number, since it is larger than the sum of its proper divisors (1).

137198672848987 is an equidigital number, since it uses as much as digits as its factorization.

137198672848987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16387080192, while the sum is 88.

The spelling of 137198672848987 in words is "one hundred thirty-seven trillion, one hundred ninety-eight billion, six hundred seventy-two million, eight hundred forty-eight thousand, nine hundred eighty-seven".