Search a number
-
+
137874759773 is a prime number
BaseRepresentation
bin1000000001100111111…
…0011110000001011101
3111011212201200111020012
42000121332132001131
54224331414303043
6143201102333005
712650444056442
oct2003176360135
9434781614205
10137874759773
1153521786763
1222879b8a165
13100034a77ba
14695d2919c9
1538be370a18
hex2019f9e05d

137874759773 has 2 divisors, whose sum is σ = 137874759774. Its totient is φ = 137874759772.

The previous prime is 137874759761. The next prime is 137874759787. The reversal of 137874759773 is 377957478731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136813433689 + 1061326084 = 369883^2 + 32578^2 .

It is a cyclic number.

It is not a de Polignac number, because 137874759773 - 214 = 137874743389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137874759793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68937379886 + 68937379887.

It is an arithmetic number, because the mean of its divisors is an integer number (68937379887).

Almost surely, 2137874759773 is an apocalyptic number.

It is an amenable number.

137874759773 is a deficient number, since it is larger than the sum of its proper divisors (1).

137874759773 is an equidigital number, since it uses as much as digits as its factorization.

137874759773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217818720, while the sum is 68.

The spelling of 137874759773 in words is "one hundred thirty-seven billion, eight hundred seventy-four million, seven hundred fifty-nine thousand, seven hundred seventy-three".