42313136 has 40 divisors (see below), whose sum is σ = 88034544. Its totient is φ = 19630080.

The previous prime is 42313099. The next prime is 42313147. The reversal of 42313136 is 63131324.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18791 + ... + 20921.

Almost surely, 2^42313136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42313136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44017272).

42313136 is an abundant number, since it is smaller than the sum of its proper divisors (45721408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42313136 is a wasteful number, since it uses less digits than its factorization.

42313136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229 (or 2223 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

The square root of 42313136 is about 6504.8548023765. The cubic root of 42313136 is about 348.4643908047.

The spelling of 42313136 in words is "forty-two million, three hundred thirteen thousand, one hundred thirty-six".