133556677790 has 16 divisors (see below), whose sum is σ = 240619992768. Its totient is φ = 53374232736.

The previous prime is 133556677759. The next prime is 133556677819. The reversal of 133556677790 is 97776655331.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6043217 + ... + 6065276.

It is an arithmetic number, because the mean of its divisors is an integer number (15038749548).

Almost surely, 2^133556677790 is an apocalyptic number.

133556677790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133556677790 is a deficient number, since it is larger than the sum of its proper divisors (107063314978).

133556677790 is a wasteful number, since it uses less digits than its factorization.

133556677790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12109603.

The product of its (nonzero) digits is 25004700, while the sum is 59.

The spelling of 133556677790 in words is "one hundred thirty-three billion, five hundred fifty-six million, six hundred seventy-seven thousand, seven hundred ninety".