133779637539 has 6 divisors (see below), whose sum is σ = 193237254236. Its totient is φ = 89186425020.

The previous prime is 133779637501. The next prime is 133779637559. The reversal of 133779637539 is 935736977331.

133779637539 is a `hidden beast` number, since 1 + 3 + 3 + 7 + 7 + 96 + 3 + 7 + 539 = 666.

It is not a de Polignac number, because 133779637539 - 2⁹ = 133779637027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133779637559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7432202077 + ... + 7432202094.

Almost surely, 2^133779637539 is an apocalyptic number.

133779637539 is a deficient number, since it is larger than the sum of its proper divisors (59457616697).

133779637539 is a wasteful number, since it uses less digits than its factorization.

133779637539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14864404177 (or 14864404174 counting only the distinct ones).

The product of its digits is 67512690, while the sum is 63.

The spelling of 133779637539 in words is "one hundred thirty-three billion, seven hundred seventy-nine million, six hundred thirty-seven thousand, five hundred thirty-nine".