132649961 has 8 divisors (see below), whose sum is σ = 138470400. Its totient is φ = 126925920.

The previous prime is 132649903. The next prime is 132649991. The reversal of 132649961 is 169946231.

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 132649961 - 2¹⁸ = 132387817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132649991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21281 + ... + 26798.

It is an arithmetic number, because the mean of its divisors is an integer number (17308800).

Almost surely, 2^132649961 is an apocalyptic number.

It is an amenable number.

132649961 is a deficient number, since it is larger than the sum of its proper divisors (5820439).

132649961 is an equidigital number, since it uses as much as digits as its factorization.

132649961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48199.

The product of its digits is 69984, while the sum is 41.

The square root of 132649961 is about 11517.3764807789. The cubic root of 132649961 is about 509.9986684574.

The spelling of 132649961 in words is "one hundred thirty-two million, six hundred forty-nine thousand, nine hundred sixty-one".