64137841 has 8 divisors (see below), whose sum is σ = 64666368. Its totient is φ = 63612000.

The previous prime is 64137803. The next prime is 64137851. The reversal of 64137841 is 14873146.

It is a happy number.

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 64137841 - 2¹¹ = 64135793 is a prime.

It is a super-2 number, since 2×64137841² = 8227325296282562, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64137797 and 64137806.

It is not an unprimeable number, because it can be changed into a prime (64137851) 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, 83901 + ... + 84661.

It is an arithmetic number, because the mean of its divisors is an integer number (8083296).

Almost surely, 2^64137841 is an apocalyptic number.

It is an amenable number.

64137841 is a deficient number, since it is larger than the sum of its proper divisors (528527).

64137841 is a wasteful number, since it uses less digits than its factorization.

64137841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343.

The product of its digits is 16128, while the sum is 34.

The square root of 64137841 is about 8008.6104287823. The cubic root of 64137841 is about 400.2869628316.

The spelling of 64137841 in words is "sixty-four million, one hundred thirty-seven thousand, eight hundred forty-one".