132867905 has 4 divisors (see below), whose sum is σ = 159441492. Its totient is φ = 106294320.

The previous prime is 132867899. The next prime is 132867907. The reversal of 132867905 is 509768231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 509768231 = 7 ⋅72824033.

It can be written as a sum of positive squares in 2 ways, for example, as 83320384 + 49547521 = 9128^2 + 7039^2 .

It is not a de Polignac number, because 132867905 - 2²⁰ = 131819329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132867907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13286786 + ... + 13286795.

It is an arithmetic number, because the mean of its divisors is an integer number (39860373).

Almost surely, 2^132867905 is an apocalyptic number.

It is an amenable number.

132867905 is a deficient number, since it is larger than the sum of its proper divisors (26573587).

132867905 is an equidigital number, since it uses as much as digits as its factorization.

132867905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26573586.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 132867905 is about 11526.8341273743. The cubic root of 132867905 is about 510.2778250453.

The spelling of 132867905 in words is "one hundred thirty-two million, eight hundred sixty-seven thousand, nine hundred five".