137880071291 has 2 divisors, whose sum is σ = 137880071292. Its totient is φ = 137880071290.

The previous prime is 137880071221. The next prime is 137880071363. The reversal of 137880071291 is 192170088731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137880071291 - 2¹⁰ = 137880070267 is a prime.

It is a super-2 number, since 2×137880071291² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (137880071221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68940035645 + 68940035646.

It is an arithmetic number, because the mean of its divisors is an integer number (68940035646).

Almost surely, 2^137880071291 is an apocalyptic number.

137880071291 is a deficient number, since it is larger than the sum of its proper divisors (1).

137880071291 is an equidigital number, since it uses as much as digits as its factorization.

137880071291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 47.

The spelling of 137880071291 in words is "one hundred thirty-seven billion, eight hundred eighty million, seventy-one thousand, two hundred ninety-one".