618434132 has 12 divisors (see below), whose sum is σ = 1111510260. Its totient is φ = 300859776.

The previous prime is 618434099. The next prime is 618434149. The reversal of 618434132 is 231434816.

It can be written as a sum of positive squares in 2 ways, for example, as 267845956 + 350588176 = 16366^2 + 18724^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2089157 + ... + 2089452.

It is an arithmetic number, because the mean of its divisors is an integer number (92625855).

Almost surely, 2^618434132 is an apocalyptic number.

It is an amenable number.

618434132 is a deficient number, since it is larger than the sum of its proper divisors (493076128).

618434132 is a wasteful number, since it uses less digits than its factorization.

618434132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4178650 (or 4178648 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 618434132 is about 24868.3359314611. The cubic root of 618434132 is about 851.9834336673.

Adding to 618434132 its reverse (231434816), we get a palindrome (849868948).

The spelling of 618434132 in words is "six hundred eighteen million, four hundred thirty-four thousand, one hundred thirty-two".