134451200861 has 2 divisors, whose sum is σ = 134451200862. Its totient is φ = 134451200860.

The previous prime is 134451200857. The next prime is 134451200869. The reversal of 134451200861 is 168002154431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99970424761 + 34480776100 = 316181^2 + 185690^2 .

It is a cyclic number.

It is not a de Polignac number, because 134451200861 - 2² = 134451200857 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134451200869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67225600430 + 67225600431.

It is an arithmetic number, because the mean of its divisors is an integer number (67225600431).

Almost surely, 2^134451200861 is an apocalyptic number.

It is an amenable number.

134451200861 is a deficient number, since it is larger than the sum of its proper divisors (1).

134451200861 is an equidigital number, since it uses as much as digits as its factorization.

134451200861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 134451200861 in words is "one hundred thirty-four billion, four hundred fifty-one million, two hundred thousand, eight hundred sixty-one".