1064140242 has 64 divisors (see below), whose sum is σ = 2384097408. Its totient is φ = 313920000.

The previous prime is 1064140237. The next prime is 1064140243. The reversal of 1064140242 is 2420414601.

It is a happy number.

It is a super-3 number, since 3×1064140242³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1064140243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 405318 + ... + 407934.

It is an arithmetic number, because the mean of its divisors is an integer number (37251522).

Almost surely, 2^1064140242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1064140242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1192048704).

1064140242 is an abundant number, since it is smaller than the sum of its proper divisors (1319957166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1064140242 is a wasteful number, since it uses less digits than its factorization.

1064140242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1064140242 is about 32621.1624869501. The cubic root of 1064140242 is about 1020.9385958698.

Adding to 1064140242 its reverse (2420414601), we get a palindrome (3484554843).

The spelling of 1064140242 in words is "one billion, sixty-four million, one hundred forty thousand, two hundred forty-two".