132478261 has 8 divisors (see below), whose sum is σ = 135160704. Its totient is φ = 129818640.

The previous prime is 132478253. The next prime is 132478271. The reversal of 132478261 is 162874231.

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 132478261 - 2³ = 132478253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132478201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6271 + ... + 17443.

It is an arithmetic number, because the mean of its divisors is an integer number (16895088).

Almost surely, 2^132478261 is an apocalyptic number.

It is an amenable number.

132478261 is a deficient number, since it is larger than the sum of its proper divisors (2682443).

132478261 is a wasteful number, since it uses less digits than its factorization.

132478261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11411.

The product of its digits is 16128, while the sum is 34.

The square root of 132478261 is about 11509.9201126680. The cubic root of 132478261 is about 509.7785287262.

The spelling of 132478261 in words is "one hundred thirty-two million, four hundred seventy-eight thousand, two hundred sixty-one".