137793321331541 has 2 divisors, whose sum is σ = 137793321331542. Its totient is φ = 137793321331540.

The previous prime is 137793321331537. The next prime is 137793321331607. The reversal of 137793321331541 is 145133123397731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133723297526641 + 4070023804900 = 11563879^2 + 2017430^2 .

It is a cyclic number.

It is not a de Polignac number, because 137793321331541 - 2² = 137793321331537 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137793321351541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68896660665770 + 68896660665771.

It is an arithmetic number, because the mean of its divisors is an integer number (68896660665771).

Almost surely, 2^{137793321331541} is an apocalyptic number.

It is an amenable number.

137793321331541 is a deficient number, since it is larger than the sum of its proper divisors (1).

137793321331541 is an equidigital number, since it uses as much as digits as its factorization.

137793321331541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4286520, while the sum is 53.

The spelling of 137793321331541 in words is "one hundred thirty-seven trillion, seven hundred ninety-three billion, three hundred twenty-one million, three hundred thirty-one thousand, five hundred forty-one".