132778120805 has 16 divisors (see below), whose sum is σ = 176668121088. Its totient is φ = 94982856000.

The previous prime is 132778120801. The next prime is 132778120877. The reversal of 132778120805 is 508021877231.

It is not a de Polignac number, because 132778120805 - 2² = 132778120801 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132778120801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19784741 + ... + 19791450.

It is an arithmetic number, because the mean of its divisors is an integer number (11041757568).

Almost surely, 2^132778120805 is an apocalyptic number.

It is an amenable number.

132778120805 is a deficient number, since it is larger than the sum of its proper divisors (43890000283).

132778120805 is a wasteful number, since it uses less digits than its factorization.

132778120805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39576268.

The product of its (nonzero) digits is 188160, while the sum is 44.

The spelling of 132778120805 in words is "one hundred thirty-two billion, seven hundred seventy-eight million, one hundred twenty thousand, eight hundred five".