42806213139 has 16 divisors (see below), whose sum is σ = 59425509024. Its totient is φ = 27385017600.

The previous prime is 42806213137. The next prime is 42806213159. The reversal of 42806213139 is 93131260824.

It is not a de Polignac number, because 42806213139 - 2¹ = 42806213137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42806213097 and 42806213106.

It is not an unprimeable number, because it can be changed into a prime (42806213137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2845104 + ... + 2860109.

It is an arithmetic number, because the mean of its divisors is an integer number (3714094314).

Almost surely, 2^42806213139 is an apocalyptic number.

42806213139 is a deficient number, since it is larger than the sum of its proper divisors (16619295885).

42806213139 is a wasteful number, since it uses less digits than its factorization.

42806213139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5705318.

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 42806213139 in words is "forty-two billion, eight hundred six million, two hundred thirteen thousand, one hundred thirty-nine".