43137177131401 has 2 divisors, whose sum is σ = 43137177131402. Its totient is φ = 43137177131400.

The previous prime is 43137177131353. The next prime is 43137177131417. The reversal of 43137177131401 is 10413177173134.

43137177131401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41492935133001 + 1644241998400 = 6441501^2 + 1282280^2 .

It is a cyclic number.

It is not a de Polignac number, because 43137177131401 - 2²⁹ = 43136640260489 is a prime.

It is not a weakly prime, because it can be changed into another prime (43137177131101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21568588565700 + 21568588565701.

It is an arithmetic number, because the mean of its divisors is an integer number (21568588565701).

Almost surely, 2^{43137177131401} is an apocalyptic number.

It is an amenable number.

43137177131401 is a deficient number, since it is larger than the sum of its proper divisors (1).

43137177131401 is an equidigital number, since it uses as much as digits as its factorization.

43137177131401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 148176, while the sum is 43.

The spelling of 43137177131401 in words is "forty-three trillion, one hundred thirty-seven billion, one hundred seventy-seven million, one hundred thirty-one thousand, four hundred one".