132779661 has 24 divisors (see below), whose sum is σ = 213052320. Its totient is φ = 73255392.

The previous prime is 132779659. The next prime is 132779671. The reversal of 132779661 is 166977231.

It is not a de Polignac number, because 132779661 - 2¹ = 132779659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132779641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11311 + ... + 19836.

It is an arithmetic number, because the mean of its divisors is an integer number (8877180).

Almost surely, 2^132779661 is an apocalyptic number.

It is an amenable number.

132779661 is a deficient number, since it is larger than the sum of its proper divisors (80272659).

132779661 is a wasteful number, since it uses less digits than its factorization.

132779661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31193 (or 31186 counting only the distinct ones).

The product of its digits is 95256, while the sum is 42.

The square root of 132779661 is about 11523.0057276737. The cubic root of 132779661 is about 510.1648333018.

The spelling of 132779661 in words is "one hundred thirty-two million, seven hundred seventy-nine thousand, six hundred sixty-one".