137672604169 has 2 divisors, whose sum is σ = 137672604170. Its totient is φ = 137672604168.

The previous prime is 137672604163. The next prime is 137672604227. The reversal of 137672604169 is 961406276731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107838678544 + 29833925625 = 328388^2 + 172725^2 .

It is a cyclic number.

It is not a de Polignac number, because 137672604169 - 2³³ = 129082669577 is a prime.

It is a super-2 number, since 2×137672604169² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (137672604163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68836302084 + 68836302085.

It is an arithmetic number, because the mean of its divisors is an integer number (68836302085).

Almost surely, 2^137672604169 is an apocalyptic number.

It is an amenable number.

137672604169 is a deficient number, since it is larger than the sum of its proper divisors (1).

137672604169 is an equidigital number, since it uses as much as digits as its factorization.

137672604169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The spelling of 137672604169 in words is "one hundred thirty-seven billion, six hundred seventy-two million, six hundred four thousand, one hundred sixty-nine".