6400142137 has 8 divisors (see below), whose sum is σ = 6496217280. Its totient is φ = 6304231920.

The previous prime is 6400142131. The next prime is 6400142141. The reversal of 6400142137 is 7312410046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6400142137 - 2³ = 6400142129 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 38098 + ... + 119380.

It is an arithmetic number, because the mean of its divisors is an integer number (812027160).

Almost surely, 2^6400142137 is an apocalyptic number.

It is an amenable number.

6400142137 is a deficient number, since it is larger than the sum of its proper divisors (96075143).

6400142137 is a wasteful number, since it uses less digits than its factorization.

6400142137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82463.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 6400142137 is about 80000.8883513177. Note that the first 3 decimals coincide. The cubic root of 6400142137 is about 1856.6492779582.

The spelling of 6400142137 in words is "six billion, four hundred million, one hundred forty-two thousand, one hundred thirty-seven".