137387841 has 8 divisors (see below), whose sum is σ = 192825120. Its totient is φ = 86771232.

The previous prime is 137387837. The next prime is 137387849. The reversal of 137387841 is 148783731.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 137387841 - 2² = 137387837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 137387793 and 137387802.

It is not an unprimeable number, because it can be changed into a prime (137387849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1205100 + ... + 1205213.

It is an arithmetic number, because the mean of its divisors is an integer number (24103140).

Almost surely, 2^137387841 is an apocalyptic number.

It is an amenable number.

137387841 is a deficient number, since it is larger than the sum of its proper divisors (55437279).

137387841 is a wasteful number, since it uses less digits than its factorization.

137387841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410335.

The product of its digits is 112896, while the sum is 42.

The square root of 137387841 is about 11721.2559480629. The cubic root of 137387841 is about 515.9996807582. Note that the first 3 decimals are identical.

The spelling of 137387841 in words is "one hundred thirty-seven million, three hundred eighty-seven thousand, eight hundred forty-one".