42131458 has 8 divisors (see below), whose sum is σ = 64541952. Its totient is φ = 20617476.

The previous prime is 42131431. The next prime is 42131483. The reversal of 42131458 is 85413124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224010 + ... + 224197.

It is an arithmetic number, because the mean of its divisors is an integer number (8067744).

Almost surely, 2^42131458 is an apocalyptic number.

42131458 is a deficient number, since it is larger than the sum of its proper divisors (22410494).

42131458 is a wasteful number, since it uses less digits than its factorization.

42131458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448256.

The product of its digits is 3840, while the sum is 28.

The square root of 42131458 is about 6490.8749795386. The cubic root of 42131458 is about 347.9649467049.

It can be divided in two parts, 4213 and 1458, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 42131458 in words is "forty-two million, one hundred thirty-one thousand, four hundred fifty-eight".