42132985 has 8 divisors (see below), whose sum is σ = 50924160. Its totient is φ = 33463344.

The previous prime is 42132967. The next prime is 42132989. The reversal of 42132985 is 58923124.

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

It is a cyclic number.

It is not a de Polignac number, because 42132985 - 2²³ = 33744377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42132985.

It is not an unprimeable number, because it can be changed into a prime (42132989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29617 + ... + 31006.

It is an arithmetic number, because the mean of its divisors is an integer number (6365520).

Almost surely, 2^42132985 is an apocalyptic number.

It is an amenable number.

42132985 is a deficient number, since it is larger than the sum of its proper divisors (8791175).

42132985 is a wasteful number, since it uses less digits than its factorization.

42132985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60767.

The product of its digits is 17280, while the sum is 34.

The square root of 42132985 is about 6490.9926051414. The cubic root of 42132985 is about 347.9691505000.

The spelling of 42132985 in words is "forty-two million, one hundred thirty-two thousand, nine hundred eighty-five".