6142121345 has 8 divisors (see below), whose sum is σ = 7372400064. Its totient is φ = 4912460784.

The previous prime is 6142121341. The next prime is 6142121417. The reversal of 6142121345 is 5431212416.

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 6142121345 - 2² = 6142121341 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6142121341) 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, 132389 + ... + 172658.

It is an arithmetic number, because the mean of its divisors is an integer number (921550008).

Almost surely, 2^6142121345 is an apocalyptic number.

It is an amenable number.

6142121345 is a deficient number, since it is larger than the sum of its proper divisors (1230278719).

6142121345 is a wasteful number, since it uses less digits than its factorization.

6142121345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309079.

The product of its digits is 5760, while the sum is 29.

The square root of 6142121345 is about 78371.6871389152. The cubic root of 6142121345 is about 1831.3560916998.

The spelling of 6142121345 in words is "six billion, one hundred forty-two million, one hundred twenty-one thousand, three hundred forty-five".