132031402 has 4 divisors (see below), whose sum is σ = 198047106. Its totient is φ = 66015700.

The previous prime is 132031391. The next prime is 132031423. The reversal of 132031402 is 204130231.

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 only one way, i.e., 131583841 + 447561 = 11471^2 + 669^2 .

It is a super-2 number, since 2×132031402² = 34864582228171208, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 33007849 + ... + 33007852.

Almost surely, 2^132031402 is an apocalyptic number.

132031402 is a deficient number, since it is larger than the sum of its proper divisors (66015704).

132031402 is an equidigital number, since it uses as much as digits as its factorization.

132031402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66015703.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 132031402 is about 11490.4918084475. The cubic root of 132031402 is about 509.2047094680.

Adding to 132031402 its reverse (204130231), we get a palindrome (336161633).

The spelling of 132031402 in words is "one hundred thirty-two million, thirty-one thousand, four hundred two".