137848527877 has 4 divisors (see below), whose sum is σ = 142601925420. Its totient is φ = 133095130336.

The previous prime is 137848527823. The next prime is 137848527889. The reversal of 137848527877 is 778725848731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 778725848731 = 23 ⋅33857645597.

It can be written as a sum of positive squares in 2 ways, for example, as 116959896036 + 20888631841 = 341994^2 + 144529^2 .

It is a cyclic number.

It is not a de Polignac number, because 137848527877 - 2³¹ = 135701044229 is a prime.

It is a super-2 number, since 2×137848527877² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137848507877) 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 3 ways as a sum of consecutive naturals, for example, 2376698728 + ... + 2376698785.

It is an arithmetic number, because the mean of its divisors is an integer number (35650481355).

Almost surely, 2^137848527877 is an apocalyptic number.

It is an amenable number.

137848527877 is a deficient number, since it is larger than the sum of its proper divisors (4753397543).

137848527877 is an equidigital number, since it uses as much as digits as its factorization.

137848527877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753397542.

The product of its digits is 147517440, while the sum is 67.

The spelling of 137848527877 in words is "one hundred thirty-seven billion, eight hundred forty-eight million, five hundred twenty-seven thousand, eight hundred seventy-seven".