42476139 has 6 divisors (see below), whose sum is σ = 61354436. Its totient is φ = 28317420.

The previous prime is 42476129. The next prime is 42476141. The reversal of 42476139 is 93167424.

It is not a de Polignac number, because 42476139 - 2⁹ = 42475627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42476129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2359777 + ... + 2359794.

Almost surely, 2^42476139 is an apocalyptic number.

42476139 is a deficient number, since it is larger than the sum of its proper divisors (18878297).

42476139 is a wasteful number, since it uses less digits than its factorization.

42476139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4719577 (or 4719574 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 42476139 is about 6517.3720931062. The cubic root of 42476139 is about 348.9112808589.

The spelling of 42476139 in words is "forty-two million, four hundred seventy-six thousand, one hundred thirty-nine".