42139096 has 16 divisors (see below), whose sum is σ = 79140600. Its totient is φ = 21034944.

The previous prime is 42139087. The next prime is 42139109. The reversal of 42139096 is 69093124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1276 + ... + 9268.

Almost surely, 2^42139096 is an apocalyptic number.

It is an amenable number.

42139096 is a deficient number, since it is larger than the sum of its proper divisors (37001504).

42139096 is a wasteful number, since it uses less digits than its factorization.

42139096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8658 (or 8654 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 42139096 is about 6491.4633173114. The cubic root of 42139096 is about 347.9859729230.

The spelling of 42139096 in words is "forty-two million, one hundred thirty-nine thousand, ninety-six".