137884841 has 4 divisors (see below), whose sum is σ = 145995732. Its totient is φ = 129773952.

The previous prime is 137884823. The next prime is 137884847. The reversal of 137884841 is 148488731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 125529616 + 12355225 = 11204^2 + 3515^2 .

It is a cyclic number.

It is not a de Polignac number, because 137884841 - 2⁶ = 137884777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137884792 and 137884801.

It is not an unprimeable number, because it can be changed into a prime (137884847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4055420 + ... + 4055453.

It is an arithmetic number, because the mean of its divisors is an integer number (36498933).

Almost surely, 2^137884841 is an apocalyptic number.

It is an amenable number.

137884841 is a deficient number, since it is larger than the sum of its proper divisors (8110891).

137884841 is an equidigital number, since it uses as much as digits as its factorization.

137884841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8110890.

The product of its digits is 172032, while the sum is 44.

The square root of 137884841 is about 11742.4376089464. The cubic root of 137884841 is about 516.6211409534.

The spelling of 137884841 in words is "one hundred thirty-seven million, eight hundred eighty-four thousand, eight hundred forty-one".