133477366785 has 32 divisors (see below), whose sum is σ = 244101123072. Its totient is φ = 61011168960.

The previous prime is 133477366777. The next prime is 133477366831. The reversal of 133477366785 is 587663774331.

It is not a de Polignac number, because 133477366785 - 2³ = 133477366777 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 899950 + ... + 1037720.

It is an arithmetic number, because the mean of its divisors is an integer number (7628160096).

Almost surely, 2^133477366785 is an apocalyptic number.

133477366785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133477366785 is a deficient number, since it is larger than the sum of its proper divisors (110623756287).

133477366785 is a wasteful number, since it uses less digits than its factorization.

133477366785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147013.

The product of its digits is 53343360, while the sum is 60.

The spelling of 133477366785 in words is "one hundred thirty-three billion, four hundred seventy-seven million, three hundred sixty-six thousand, seven hundred eighty-five".