137650719277 has 2 divisors, whose sum is σ = 137650719278. Its totient is φ = 137650719276.

The previous prime is 137650719223. The next prime is 137650719359. The reversal of 137650719277 is 772917056731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69857661636 + 67793057641 = 264306^2 + 260371^2 .

It is an emirp because it is prime and its reverse (772917056731) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137650719277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137653719277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68825359638 + 68825359639.

It is an arithmetic number, because the mean of its divisors is an integer number (68825359639).

Almost surely, 2^137650719277 is an apocalyptic number.

It is an amenable number.

137650719277 is a deficient number, since it is larger than the sum of its proper divisors (1).

137650719277 is an equidigital number, since it uses as much as digits as its factorization.

137650719277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3889620, while the sum is 55.

The spelling of 137650719277 in words is "one hundred thirty-seven billion, six hundred fifty million, seven hundred nineteen thousand, two hundred seventy-seven".