137226534481 has 3 divisors (see below), whose sum is σ = 137226904923. Its totient is φ = 137226164040.

The previous prime is 137226534443. The next prime is 137226534517. The reversal of 137226534481 is 184435622731.

The square root of 137226534481 is 370441.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 129018174481 + 8208360000 = 359191^2 + 90600^2 .

It is not a de Polignac number, because 137226534481 - 2²⁹ = 136689663569 is a prime.

It is a super-2 number, since 2×137226534481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137226564481) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 185221 + ... + 555661.

It is an arithmetic number, because the mean of its divisors is an integer number (45742301641).

Almost surely, 2^137226534481 is an apocalyptic number.

137226534481 is the 370441-st square number.

137226534481 is the 185221-st centered octagonal number.

It is an amenable number.

137226534481 is a deficient number, since it is larger than the sum of its proper divisors (370442).

137226534481 is an frugal number, since it uses more digits than its factorization.

137226534481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740882 (or 370441 counting only the distinct ones).

The product of its digits is 967680, while the sum is 46.

The spelling of 137226534481 in words is "one hundred thirty-seven billion, two hundred twenty-six million, five hundred thirty-four thousand, four hundred eighty-one".