42167137 has 4 divisors (see below), whose sum is σ = 44386480. Its totient is φ = 39947796.

The previous prime is 42167117. The next prime is 42167159. The reversal of 42167137 is 73176124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42167137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42167099 and 42167108.

It is not an unprimeable number, because it can be changed into a prime (42167107) 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, 1109643 + ... + 1109680.

It is an arithmetic number, because the mean of its divisors is an integer number (11096620).

Almost surely, 2^42167137 is an apocalyptic number.

It is an amenable number.

42167137 is a deficient number, since it is larger than the sum of its proper divisors (2219343).

42167137 is a wasteful number, since it uses less digits than its factorization.

42167137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219342.

The product of its digits is 7056, while the sum is 31.

The square root of 42167137 is about 6493.6227947117. The cubic root of 42167137 is about 348.0631436264.

The spelling of 42167137 in words is "forty-two million, one hundred sixty-seven thousand, one hundred thirty-seven".