132905137 has 4 divisors (see below), whose sum is σ = 133148656. Its totient is φ = 132661620.

The previous prime is 132905089. The next prime is 132905141. The reversal of 132905137 is 731509231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132905137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132905099 and 132905108.

It is not an unprimeable number, because it can be changed into a prime (132909137) 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, 120939 + ... + 122032.

It is an arithmetic number, because the mean of its divisors is an integer number (33287164).

Almost surely, 2^132905137 is an apocalyptic number.

It is an amenable number.

132905137 is a deficient number, since it is larger than the sum of its proper divisors (243519).

132905137 is an equidigital number, since it uses as much as digits as its factorization.

132905137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243518.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 132905137 is about 11528.4490283819. The cubic root of 132905137 is about 510.3254836319.

The spelling of 132905137 in words is "one hundred thirty-two million, nine hundred five thousand, one hundred thirty-seven".