132144921 has 6 divisors (see below), whose sum is σ = 190876010. Its totient is φ = 88096608.

The previous prime is 132144919. The next prime is 132144923. The reversal of 132144921 is 129441231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (132144919) and next prime (132144923).

It can be written as a sum of positive squares in only one way, i.e., 115863696 + 16281225 = 10764^2 + 4035^2 .

It is not a de Polignac number, because 132144921 - 2¹ = 132144919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132144923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7341376 + ... + 7341393.

Almost surely, 2^132144921 is an apocalyptic number.

It is an amenable number.

132144921 is a deficient number, since it is larger than the sum of its proper divisors (58731089).

132144921 is a wasteful number, since it uses less digits than its factorization.

132144921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14682775 (or 14682772 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 132144921 is about 11495.4304399618. The cubic root of 132144921 is about 509.3506036768.

The spelling of 132144921 in words is "one hundred thirty-two million, one hundred forty-four thousand, nine hundred twenty-one".