132879905 has 8 divisors (see below), whose sum is σ = 168835752. Its totient is φ = 100050688.

The previous prime is 132879797. The next prime is 132879911. The reversal of 132879905 is 509978231.

It can be written as a sum of positive squares in 4 ways, for example, as 57259489 + 75620416 = 7567^2 + 8696^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 132879905 - 2¹⁸ = 132617761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781562 + ... + 781731.

It is an arithmetic number, because the mean of its divisors is an integer number (21104469).

Almost surely, 2^132879905 is an apocalyptic number.

It is an amenable number.

132879905 is a deficient number, since it is larger than the sum of its proper divisors (35955847).

132879905 is a wasteful number, since it uses less digits than its factorization.

132879905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563315.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 132879905 is about 11527.3546401592. The cubic root of 132879905 is about 510.2931865417.

The spelling of 132879905 in words is "one hundred thirty-two million, eight hundred seventy-nine thousand, nine hundred five".