132351421 has 4 divisors (see below), whose sum is σ = 132374844. Its totient is φ = 132328000.

The previous prime is 132351419. The next prime is 132351433. The reversal of 132351421 is 124153231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84548025 + 47803396 = 9195^2 + 6914^2 .

It is a cyclic number.

It is not a de Polignac number, because 132351421 - 2¹ = 132351419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132351392 and 132351401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132351481) 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 3 ways as a sum of consecutive naturals, for example, 2571 + ... + 16471.

It is an arithmetic number, because the mean of its divisors is an integer number (33093711).

Almost surely, 2^132351421 is an apocalyptic number.

It is an amenable number.

132351421 is a deficient number, since it is larger than the sum of its proper divisors (23423).

132351421 is an equidigital number, since it uses as much as digits as its factorization.

132351421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23422.

The product of its digits is 720, while the sum is 22.

The square root of 132351421 is about 11504.4087636002. The cubic root of 132351421 is about 509.6157826394.

The spelling of 132351421 in words is "one hundred thirty-two million, three hundred fifty-one thousand, four hundred twenty-one".