137776841 has 4 divisors (see below), whose sum is σ = 137812500. Its totient is φ = 137741184.

The previous prime is 137776819. The next prime is 137776843. The reversal of 137776841 is 148677731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 148677731 = 2237 ⋅66463.

It can be written as a sum of positive squares in 2 ways, for example, as 44943616 + 92833225 = 6704^2 + 9635^2 .

It is a cyclic number.

It is not a de Polignac number, because 137776841 - 2⁶ = 137776777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137776792 and 137776801.

It is not an unprimeable number, because it can be changed into a prime (137776843) 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, 11216 + ... + 20033.

It is an arithmetic number, because the mean of its divisors is an integer number (34453125).

Almost surely, 2^137776841 is an apocalyptic number.

It is an amenable number.

137776841 is a deficient number, since it is larger than the sum of its proper divisors (35659).

137776841 is an equidigital number, since it uses as much as digits as its factorization.

137776841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35658.

The product of its digits is 197568, while the sum is 44.

The square root of 137776841 is about 11737.8380036530. The cubic root of 137776841 is about 516.4862224311.

The spelling of 137776841 in words is "one hundred thirty-seven million, seven hundred seventy-six thousand, eight hundred forty-one".