137703326389 has 2 divisors, whose sum is σ = 137703326390. Its totient is φ = 137703326388.

The previous prime is 137703326363. The next prime is 137703326413. The reversal of 137703326389 is 983623307731.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80978377489 + 56724948900 = 284567^2 + 238170^2 .

It is a cyclic number.

It is not a de Polignac number, because 137703326389 - 2²⁷ = 137569108661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137703336389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68851663194 + 68851663195.

It is an arithmetic number, because the mean of its divisors is an integer number (68851663195).

Almost surely, 2^137703326389 is an apocalyptic number.

It is an amenable number.

137703326389 is a deficient number, since it is larger than the sum of its proper divisors (1).

137703326389 is an equidigital number, since it uses as much as digits as its factorization.

137703326389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3429216, while the sum is 52.

The spelling of 137703326389 in words is "one hundred thirty-seven billion, seven hundred three million, three hundred twenty-six thousand, three hundred eighty-nine".