1020140514 has 96 divisors (see below), whose sum is σ = 2450226240. Its totient is φ = 314399232.

The previous prime is 1020140507. The next prime is 1020140519. The reversal of 1020140514 is 4150410201.

1020140514 is a `hidden beast` number, since 10 + 2 + 0 + 140 + 514 = 666.

It is a super-3 number, since 3×1020140514³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1020140519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 837634 + ... + 838850.

It is an arithmetic number, because the mean of its divisors is an integer number (25523190).

Almost surely, 2^1020140514 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020140514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1225113120).

1020140514 is an abundant number, since it is smaller than the sum of its proper divisors (1430085726).

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

1020140514 is a wasteful number, since it uses less digits than its factorization.

1020140514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309 (or 1284 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1020140514 is about 31939.6386015872. The cubic root of 1020140514 is about 1006.6689311578.

Adding to 1020140514 its reverse (4150410201), we get a palindrome (5170550715).

The spelling of 1020140514 in words is "one billion, twenty million, one hundred forty thousand, five hundred fourteen".