137770869553 has 2 divisors, whose sum is σ = 137770869554. Its totient is φ = 137770869552.

The previous prime is 137770869529. The next prime is 137770869563. The reversal of 137770869553 is 355968077731.

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., 104867811889 + 32903057664 = 323833^2 + 181392^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137770869553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 137770869491 and 137770869500.

It is not a weakly prime, because it can be changed into another prime (137770869563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68885434776 + 68885434777.

It is an arithmetic number, because the mean of its divisors is an integer number (68885434777).

Almost surely, 2^137770869553 is an apocalyptic number.

It is an amenable number.

137770869553 is a deficient number, since it is larger than the sum of its proper divisors (1).

137770869553 is an equidigital number, since it uses as much as digits as its factorization.

137770869553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33339600, while the sum is 61.

The spelling of 137770869553 in words is "one hundred thirty-seven billion, seven hundred seventy million, eight hundred sixty-nine thousand, five hundred fifty-three".