6400142132 has 12 divisors (see below), whose sum is σ = 11280827040. Its totient is φ = 3177048696.

The previous prime is 6400142131. The next prime is 6400142141. The reversal of 6400142132 is 2312410046.

It is a junction number, because it is equal to n+sod(n) for n = 6400142098 and 6400142107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6400142131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5754968 + ... + 5756079.

It is an arithmetic number, because the mean of its divisors is an integer number (940068920).

Almost surely, 2^6400142132 is an apocalyptic number.

It is an amenable number.

6400142132 is a deficient number, since it is larger than the sum of its proper divisors (4880684908).

6400142132 is a wasteful number, since it uses less digits than its factorization.

6400142132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11511190 (or 11511188 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 6400142132 is about 80000.8883200680. Note that the first 3 decimals coincide. The cubic root of 6400142132 is about 1856.6492774747.

Adding to 6400142132 its reverse (2312410046), we get a palindrome (8712552178).

The spelling of 6400142132 in words is "six billion, four hundred million, one hundred forty-two thousand, one hundred thirty-two".