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136906242133 is a prime number
BaseRepresentation
bin111111110000000111…
…1110111100001010101
3111002101020020200210111
41333200033313201111
54220340444222013
6142521023523021
712614443600033
oct1774017674125
9432336220714
10136906242133
1153075006061
1222649759471
13cbaa94123b
1468aa7bb553
15386430c73d
hex1fe03f7855

136906242133 has 2 divisors, whose sum is σ = 136906242134. Its totient is φ = 136906242132.

The previous prime is 136906242131. The next prime is 136906242139. The reversal of 136906242133 is 331242609631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136029667684 + 876574449 = 368822^2 + 29607^2 .

It is a cyclic number.

It is not a de Polignac number, because 136906242133 - 21 = 136906242131 is a prime.

Together with 136906242131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136906242131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68453121066 + 68453121067.

It is an arithmetic number, because the mean of its divisors is an integer number (68453121067).

Almost surely, 2136906242133 is an apocalyptic number.

It is an amenable number.

136906242133 is a deficient number, since it is larger than the sum of its proper divisors (1).

136906242133 is an equidigital number, since it uses as much as digits as its factorization.

136906242133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 40.

The spelling of 136906242133 in words is "one hundred thirty-six billion, nine hundred six million, two hundred forty-two thousand, one hundred thirty-three".