132405426 has 12 divisors (see below), whose sum is σ = 286878462. Its totient is φ = 44135136.

The previous prime is 132405421. The next prime is 132405437. The reversal of 132405426 is 624504231.

It can be written as a sum of positive squares in only one way, i.e., 132365025 + 40401 = 11505^2 + 201^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 132405426.

It is not an unprimeable number, because it can be changed into a prime (132405421) 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, 3677911 + ... + 3677946.

Almost surely, 2^132405426 is an apocalyptic number.

132405426 is an abundant number, since it is smaller than the sum of its proper divisors (154473036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

132405426 is a wasteful number, since it uses less digits than its factorization.

132405426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7355865 (or 7355862 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 132405426 is about 11506.7556678675. The cubic root of 132405426 is about 509.6850881737.

Adding to 132405426 its reverse (624504231), we get a palindrome (756909657).

The spelling of 132405426 in words is "one hundred thirty-two million, four hundred five thousand, four hundred twenty-six".