137745037 has 2 divisors, whose sum is σ = 137745038. Its totient is φ = 137745036.

The previous prime is 137745031. The next prime is 137745053. The reversal of 137745037 is 730547731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135815716 + 1929321 = 11654^2 + 1389^2 .

It is an emirp because it is prime and its reverse (730547731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137745037 - 2³ = 137745029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 137744987 and 137745005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137745031) 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, 68872518 + 68872519.

It is an arithmetic number, because the mean of its divisors is an integer number (68872519).

Almost surely, 2^137745037 is an apocalyptic number.

It is an amenable number.

137745037 is a deficient number, since it is larger than the sum of its proper divisors (1).

137745037 is an equidigital number, since it uses as much as digits as its factorization.

137745037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61740, while the sum is 37.

The square root of 137745037 is about 11736.4831614926. The cubic root of 137745037 is about 516.4464779869.

The spelling of 137745037 in words is "one hundred thirty-seven million, seven hundred forty-five thousand, thirty-seven".