133275772587 has 6 divisors (see below), whose sum is σ = 177701873212. Its totient is φ = 88850093512.

The previous prime is 133275772583. The next prime is 133275772621. The reversal of 133275772587 is 785277572331.

It is not a de Polignac number, because 133275772587 - 2² = 133275772583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133275772583) 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 in 5 ways as a sum of consecutive naturals, for example, 526933 + ... + 737705.

Almost surely, 2^133275772587 is an apocalyptic number.

133275772587 is a deficient number, since it is larger than the sum of its proper divisors (44426100625).

133275772587 is an frugal number, since it uses more digits than its factorization.

133275772587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421549 (or 210776 counting only the distinct ones).

The product of its digits is 17287200, while the sum is 57.

The spelling of 133275772587 in words is "one hundred thirty-three billion, two hundred seventy-five million, seven hundred seventy-two thousand, five hundred eighty-seven".