133747108447 has 2 divisors, whose sum is σ = 133747108448. Its totient is φ = 133747108446.

The previous prime is 133747108409. The next prime is 133747108619. The reversal of 133747108447 is 744801747331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133747108447 - 2²³ = 133738719839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133747108447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133747198447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66873554223 + 66873554224.

It is an arithmetic number, because the mean of its divisors is an integer number (66873554224).

Almost surely, 2^133747108447 is an apocalyptic number.

133747108447 is a deficient number, since it is larger than the sum of its proper divisors (1).

133747108447 is an equidigital number, since it uses as much as digits as its factorization.

133747108447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1580544, while the sum is 49.

The spelling of 133747108447 in words is "one hundred thirty-three billion, seven hundred forty-seven million, one hundred eight thousand, four hundred forty-seven".