137438954867 has 2 divisors, whose sum is σ = 137438954868. Its totient is φ = 137438954866.

The previous prime is 137438954771. The next prime is 137438954879. The reversal of 137438954867 is 768459834731.

It is a strong prime.

It is an emirp because it is prime and its reverse (768459834731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137438954867 - 2¹⁸ = 137438692723 is a prime.

It is not a weakly prime, because it can be changed into another prime (137438954897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68719477433 + 68719477434.

It is an arithmetic number, because the mean of its divisors is an integer number (68719477434).

Almost surely, 2^137438954867 is an apocalyptic number.

137438954867 is a deficient number, since it is larger than the sum of its proper divisors (1).

137438954867 is an equidigital number, since it uses as much as digits as its factorization.

137438954867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 121927680, while the sum is 65.

The spelling of 137438954867 in words is "one hundred thirty-seven billion, four hundred thirty-eight million, nine hundred fifty-four thousand, eight hundred sixty-seven".