137882769749 has 2 divisors, whose sum is σ = 137882769750. Its totient is φ = 137882769748.

The previous prime is 137882769733. The next prime is 137882769767. The reversal of 137882769749 is 947967288731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123354083524 + 14528686225 = 351218^2 + 120535^2 .

It is a cyclic number.

It is not a de Polignac number, because 137882769749 - 2⁴ = 137882769733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137882769799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68941384874 + 68941384875.

It is an arithmetic number, because the mean of its divisors is an integer number (68941384875).

Almost surely, 2^137882769749 is an apocalyptic number.

It is an amenable number.

137882769749 is a deficient number, since it is larger than the sum of its proper divisors (1).

137882769749 is an equidigital number, since it uses as much as digits as its factorization.

137882769749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 256048128, while the sum is 71.

The spelling of 137882769749 in words is "one hundred thirty-seven billion, eight hundred eighty-two million, seven hundred sixty-nine thousand, seven hundred forty-nine".