137549141 has 2 divisors, whose sum is σ = 137549142. Its totient is φ = 137549140.

The previous prime is 137549129. The next prime is 137549179. The reversal of 137549141 is 141945731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98922916 + 38626225 = 9946^2 + 6215^2 .

It is a cyclic number.

It is not a de Polignac number, because 137549141 - 2¹⁸ = 137286997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137549641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68774570 + 68774571.

It is an arithmetic number, because the mean of its divisors is an integer number (68774571).

Almost surely, 2^137549141 is an apocalyptic number.

It is an amenable number.

137549141 is a deficient number, since it is larger than the sum of its proper divisors (1).

137549141 is an equidigital number, since it uses as much as digits as its factorization.

137549141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 35.

The square root of 137549141 is about 11728.1345916561. The cubic root of 137549141 is about 516.2015380133.

The spelling of 137549141 in words is "one hundred thirty-seven million, five hundred forty-nine thousand, one hundred forty-one".