132123402 has 24 divisors (see below), whose sum is σ = 293251140. Its totient is φ = 42966720.

The previous prime is 132123401. The next prime is 132123419. The reversal of 132123402 is 204321231.

132123402 is a `hidden beast` number, since 1 + 321 + 2 + 340 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 131125401 + 998001 = 11451^2 + 999^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (132123401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88777 + ... + 90252.

Almost surely, 2^132123402 is an apocalyptic number.

132123402 is an abundant number, since it is smaller than the sum of its proper divisors (161127738).

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

132123402 is a wasteful number, since it uses less digits than its factorization.

132123402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179078 (or 179075 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 132123402 is about 11494.4944212436. The cubic root of 132123402 is about 509.3229539556.

Adding to 132123402 its reverse (204321231), we get a palindrome (336444633).

The spelling of 132123402 in words is "one hundred thirty-two million, one hundred twenty-three thousand, four hundred two".