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135842501009231 is a prime number
BaseRepresentation
bin11110111000110001001100…
…000001001001111101001111
3122210222102020110102010100122
4132320301030001021331033
5120301120420224243411
61200525103343015155
740420203544660562
oct3670611401117517
9583872213363318
10135842501009231
113a31353245a7a5
121329b22a89a4bb
135aa4b7b86bc93
142578b526ac4d9
1510a889641d9db
hex7b8c4c049f4f

135842501009231 has 2 divisors, whose sum is σ = 135842501009232. Its totient is φ = 135842501009230.

The previous prime is 135842501009213. The next prime is 135842501009239. The reversal of 135842501009231 is 132900105248531.

Together with previous prime (135842501009213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-135842501009231 is a prime.

It is a super-2 number, since 2×1358425010092312 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135842501009239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67921250504615 + 67921250504616.

It is an arithmetic number, because the mean of its divisors is an integer number (67921250504616).

Almost surely, 2135842501009231 is an apocalyptic number.

135842501009231 is a deficient number, since it is larger than the sum of its proper divisors (1).

135842501009231 is an equidigital number, since it uses as much as digits as its factorization.

135842501009231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 135842501009231 in words is "one hundred thirty-five trillion, eight hundred forty-two billion, five hundred one million, nine thousand, two hundred thirty-one".