137273441 has 8 divisors (see below), whose sum is σ = 141161640. Its totient is φ = 133394688.

The previous prime is 137273431. The next prime is 137273447. The reversal of 137273441 is 144372731.

It can be written as a sum of positive squares in 4 ways, for example, as 54390625 + 82882816 = 7375^2 + 9104^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137273441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137273398 and 137273407.

It is not an unprimeable number, because it can be changed into a prime (137273447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35495 + ... + 39171.

It is an arithmetic number, because the mean of its divisors is an integer number (17645205).

Almost surely, 2^137273441 is an apocalyptic number.

It is an amenable number.

137273441 is a deficient number, since it is larger than the sum of its proper divisors (3888199).

137273441 is a wasteful number, since it uses less digits than its factorization.

137273441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4723.

The product of its digits is 14112, while the sum is 32.

The square root of 137273441 is about 11716.3749086482. The cubic root of 137273441 is about 515.8564202506.

The spelling of 137273441 in words is "one hundred thirty-seven million, two hundred seventy-three thousand, four hundred forty-one".