137501276281 has 2 divisors, whose sum is σ = 137501276282. Its totient is φ = 137501276280.

The previous prime is 137501276261. The next prime is 137501276293. The reversal of 137501276281 is 182672105731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98181955600 + 39319320681 = 313340^2 + 198291^2 .

It is a cyclic number.

It is not a de Polignac number, because 137501276281 - 2⁵ = 137501276249 is a prime.

It is a super-2 number, since 2×137501276281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (137501276201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68750638140 + 68750638141.

It is an arithmetic number, because the mean of its divisors is an integer number (68750638141).

Almost surely, 2^137501276281 is an apocalyptic number.

It is an amenable number.

137501276281 is a deficient number, since it is larger than the sum of its proper divisors (1).

137501276281 is an equidigital number, since it uses as much as digits as its factorization.

137501276281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 137501276281 in words is "one hundred thirty-seven billion, five hundred one million, two hundred seventy-six thousand, two hundred eighty-one".