42131459 has 4 divisors (see below), whose sum is σ = 42147000. Its totient is φ = 42115920.

The previous prime is 42131431. The next prime is 42131483. The reversal of 42131459 is 95413124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42131459 - 2¹⁶ = 42065923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42131489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2522 + ... + 9519.

It is an arithmetic number, because the mean of its divisors is an integer number (10536750).

Almost surely, 2^42131459 is an apocalyptic number.

42131459 is a deficient number, since it is larger than the sum of its proper divisors (15541).

42131459 is a wasteful number, since it uses less digits than its factorization.

42131459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15540.

The product of its digits is 4320, while the sum is 29.

The square root of 42131459 is about 6490.8750565698. The cubic root of 42131459 is about 347.9649494579.

The spelling of 42131459 in words is "forty-two million, one hundred thirty-one thousand, four hundred fifty-nine".