137267381243 has 2 divisors, whose sum is σ = 137267381244. Its totient is φ = 137267381242.

The previous prime is 137267381233. The next prime is 137267381311. The reversal of 137267381243 is 342183762731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137267381243 - 2³² = 132972413947 is a prime.

It is a super-2 number, since 2×137267381243² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (137267381203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68633690621 + 68633690622.

It is an arithmetic number, because the mean of its divisors is an integer number (68633690622).

Almost surely, 2^137267381243 is an apocalyptic number.

137267381243 is a deficient number, since it is larger than the sum of its proper divisors (1).

137267381243 is an equidigital number, since it uses as much as digits as its factorization.

137267381243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 47.

The spelling of 137267381243 in words is "one hundred thirty-seven billion, two hundred sixty-seven million, three hundred eighty-one thousand, two hundred forty-three".