64127146 has 4 divisors (see below), whose sum is σ = 96190722. Its totient is φ = 32063572.

The previous prime is 64127131. The next prime is 64127177. The reversal of 64127146 is 64172146.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64172146 = 2 ⋅32086073.

It can be written as a sum of positive squares in only one way, i.e., 32890225 + 31236921 = 5735^2 + 5589^2 .

It is a super-2 number, since 2×64127146² = 8224581708210632, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 16031785 + ... + 16031788.

Almost surely, 2^64127146 is an apocalyptic number.

64127146 is a deficient number, since it is larger than the sum of its proper divisors (32063576).

64127146 is a wasteful number, since it uses less digits than its factorization.

64127146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32063575.

The product of its digits is 8064, while the sum is 31.

The square root of 64127146 is about 8007.9426821126. The cubic root of 64127146 is about 400.2647122799.

The spelling of 64127146 in words is "sixty-four million, one hundred twenty-seven thousand, one hundred forty-six".