64229138 has 8 divisors (see below), whose sum is σ = 96882480. Its totient is φ = 31934980.

The previous prime is 64229093. The next prime is 64229149. The reversal of 64229138 is 83192246.

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

It is a junction number, because it is equal to n+sod(n) for n = 64229098 and 64229107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89348 + ... + 90063.

It is an arithmetic number, because the mean of its divisors is an integer number (12110310).

Almost surely, 2^64229138 is an apocalyptic number.

64229138 is a deficient number, since it is larger than the sum of its proper divisors (32653342).

64229138 is a wasteful number, since it uses less digits than its factorization.

64229138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179592.

The product of its digits is 20736, while the sum is 35.

The square root of 64229138 is about 8014.3083294817. The cubic root of 64229138 is about 400.4768022565.

The spelling of 64229138 in words is "sixty-four million, two hundred twenty-nine thousand, one hundred thirty-eight".