1024740138 has 16 divisors (see below), whose sum is σ = 2097143136. Its totient is φ = 333636240.

The previous prime is 1024740133. The next prime is 1024740151. The reversal of 1024740138 is 8310474201.

It is not an unprimeable number, because it can be changed into a prime (1024740133) 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, 1985673 + ... + 1986188.

It is an arithmetic number, because the mean of its divisors is an integer number (131071446).

Almost surely, 2^1024740138 is an apocalyptic number.

1024740138 is an abundant number, since it is smaller than the sum of its proper divisors (1072402998).

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

1024740138 is a wasteful number, since it uses less digits than its factorization.

1024740138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3971909.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 1024740138 is about 32011.5625672975. The cubic root of 1024740138 is about 1008.1796239953.

The spelling of 1024740138 in words is "one billion, twenty-four million, seven hundred forty thousand, one hundred thirty-eight".