1642130132 has 6 divisors (see below), whose sum is σ = 2873727738. Its totient is φ = 821065064.

The previous prime is 1642130117. The next prime is 1642130141. The reversal of 1642130132 is 2310312461.

It can be written as a sum of positive squares in only one way, i.e., 917120656 + 725009476 = 30284^2 + 26926^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1642130098 and 1642130107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205266263 + ... + 205266270.

It is an arithmetic number, because the mean of its divisors is an integer number (478954623).

Almost surely, 2^1642130132 is an apocalyptic number.

It is an amenable number.

1642130132 is a deficient number, since it is larger than the sum of its proper divisors (1231597606).

1642130132 is a wasteful number, since it uses less digits than its factorization.

1642130132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410532537 (or 410532535 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1642130132 is about 40523.2048584512. The cubic root of 1642130132 is about 1179.7840579662.

Adding to 1642130132 its reverse (2310312461), we get a palindrome (3952442593).

The spelling of 1642130132 in words is "one billion, six hundred forty-two million, one hundred thirty thousand, one hundred thirty-two".