42132069 has 96 divisors (see below), whose sum is σ = 80510976. Its totient is φ = 21461760.

The previous prime is 42132053. The next prime is 42132073. The reversal of 42132069 is 96023124.

It is not a de Polignac number, because 42132069 - 2⁴ = 42132053 is a prime.

It is a super-2 number, since 2×42132069² = 3550222476441522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42132469) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 896404 + ... + 896450.

It is an arithmetic number, because the mean of its divisors is an integer number (838656).

Almost surely, 2^42132069 is an apocalyptic number.

It is an amenable number.

42132069 is a deficient number, since it is larger than the sum of its proper divisors (38378907).

42132069 is a wasteful number, since it uses less digits than its factorization.

42132069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 42132069 is about 6490.9220454416. The cubic root of 42132069 is about 347.9666287857.

The spelling of 42132069 in words is "forty-two million, one hundred thirty-two thousand, sixty-nine".