4000857420139 has 8 divisors (see below), whose sum is σ = 4061661166080. Its totient is φ = 3940177386600.

The previous prime is 4000857420107. The next prime is 4000857420163. The reversal of 4000857420139 is 9310247580004.

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 4000857420139 - 2⁵ = 4000857420107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4000857420095 and 4000857420104.

It is not an unprimeable number, because it can be changed into a prime (4000857420179) 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, 30862929 + ... + 30992290.

It is an arithmetic number, because the mean of its divisors is an integer number (507707645760).

Almost surely, 2^{4000857420139} is an apocalyptic number.

4000857420139 is a deficient number, since it is larger than the sum of its proper divisors (60803745941).

4000857420139 is an equidigital number, since it uses as much as digits as its factorization.

4000857420139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61856201.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 4000857420139 in words is "four trillion, eight hundred fifty-seven million, four hundred twenty thousand, one hundred thirty-nine".