131637471733 has 2 divisors, whose sum is σ = 131637471734. Its totient is φ = 131637471732.

The previous prime is 131637471697. The next prime is 131637471841. The reversal of 131637471733 is 337174736131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127193516164 + 4443955569 = 356642^2 + 66663^2 .

It is a cyclic number.

It is not a de Polignac number, because 131637471733 - 2²¹ = 131635374581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131637475733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65818735866 + 65818735867.

It is an arithmetic number, because the mean of its divisors is an integer number (65818735867).

Almost surely, 2^131637471733 is an apocalyptic number.

It is an amenable number.

131637471733 is a deficient number, since it is larger than the sum of its proper divisors (1).

131637471733 is an equidigital number, since it uses as much as digits as its factorization.

131637471733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 666792, while the sum is 46.

The spelling of 131637471733 in words is "one hundred thirty-one billion, six hundred thirty-seven million, four hundred seventy-one thousand, seven hundred thirty-three".