132778765 has 16 divisors (see below), whose sum is σ = 182610432. Its totient is φ = 90791424.

The previous prime is 132778753. The next prime is 132778771. The reversal of 132778765 is 567877231.

It is a cyclic number.

It is not a de Polignac number, because 132778765 - 2⁷ = 132778637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7677 + ... + 18013.

It is an arithmetic number, because the mean of its divisors is an integer number (11413152).

Almost surely, 2^132778765 is an apocalyptic number.

It is an amenable number.

132778765 is a deficient number, since it is larger than the sum of its proper divisors (49831667).

132778765 is a wasteful number, since it uses less digits than its factorization.

132778765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10716.

The product of its digits is 493920, while the sum is 46.

The square root of 132778765 is about 11522.9668488632. The cubic root of 132778765 is about 510.1636857648.

The spelling of 132778765 in words is "one hundred thirty-two million, seven hundred seventy-eight thousand, seven hundred sixty-five".