Search a number
-
+
139357755653 is a prime number
BaseRepresentation
bin1000000111001001011…
…1101001100100000101
3111022201002012111010112
42001302113221210011
54240401041140103
6144004200202405
713032262243544
oct2016227514405
9438632174115
10139357755653
1154112902496
1223012769405
13101ab7c515c
146a6020a15b
15395965bcd8
hex20725e9905

139357755653 has 2 divisors, whose sum is σ = 139357755654. Its totient is φ = 139357755652.

The previous prime is 139357755643. The next prime is 139357755689. The reversal of 139357755653 is 356557753931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137065069729 + 2292685924 = 370223^2 + 47882^2 .

It is an emirp because it is prime and its reverse (356557753931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139357755653 - 228 = 139089320197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139357755592 and 139357755601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139357755643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69678877826 + 69678877827.

It is an arithmetic number, because the mean of its divisors is an integer number (69678877827).

Almost surely, 2139357755653 is an apocalyptic number.

It is an amenable number.

139357755653 is a deficient number, since it is larger than the sum of its proper divisors (1).

139357755653 is an equidigital number, since it uses as much as digits as its factorization.

139357755653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44651250, while the sum is 59.

The spelling of 139357755653 in words is "one hundred thirty-nine billion, three hundred fifty-seven million, seven hundred fifty-five thousand, six hundred fifty-three".