132539081 has 4 divisors (see below), whose sum is σ = 133777872. Its totient is φ = 131300292.

The previous prime is 132539063. The next prime is 132539111. The reversal of 132539081 is 180935231.

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 not a de Polignac number, because 132539081 - 2¹⁰ = 132538057 is a prime.

It is a super-2 number, since 2×132539081² = 35133215984649122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132539051) 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, 619235 + ... + 619448.

It is an arithmetic number, because the mean of its divisors is an integer number (33444468).

Almost surely, 2^132539081 is an apocalyptic number.

It is an amenable number.

132539081 is a deficient number, since it is larger than the sum of its proper divisors (1238791).

132539081 is a wasteful number, since it uses less digits than its factorization.

132539081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238790.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 132539081 is about 11512.5618782268. The cubic root of 132539081 is about 509.8565289113.

The spelling of 132539081 in words is "one hundred thirty-two million, five hundred thirty-nine thousand, eighty-one".