137917441 has 4 divisors (see below), whose sum is σ = 137963092. Its totient is φ = 137871792.

The previous prime is 137917427. The next prime is 137917457. The reversal of 137917441 is 144719731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 144719731 = 13 ⋅11132287.

It can be written as a sum of positive squares in 2 ways, for example, as 119246400 + 18671041 = 10920^2 + 4321^2 .

It is a cyclic number.

It is not a de Polignac number, because 137917441 - 2¹⁹ = 137393153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137917441.

It is not an unprimeable number, because it can be changed into a prime (137917421) 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, 17946 + ... + 24451.

It is an arithmetic number, because the mean of its divisors is an integer number (34490773).

Almost surely, 2^137917441 is an apocalyptic number.

It is an amenable number.

137917441 is a deficient number, since it is larger than the sum of its proper divisors (45651).

137917441 is an equidigital number, since it uses as much as digits as its factorization.

137917441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45650.

The product of its digits is 21168, while the sum is 37.

The square root of 137917441 is about 11743.8256543598. The cubic root of 137917441 is about 516.6618525161.

The spelling of 137917441 in words is "one hundred thirty-seven million, nine hundred seventeen thousand, four hundred forty-one".