7420134140 has 48 divisors (see below), whose sum is σ = 15714300000. Its totient is φ = 2942963712.

The previous prime is 7420134119. The next prime is 7420134149. The reversal of 7420134140 is 414310247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7420134149) 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 15 ways as a sum of consecutive naturals, for example, 3471152 + ... + 3473288.

It is an arithmetic number, because the mean of its divisors is an integer number (327381250).

Almost surely, 2^7420134140 is an apocalyptic number.

It is an amenable number.

7420134140 is an abundant number, since it is smaller than the sum of its proper divisors (8294165860).

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

7420134140 is a wasteful number, since it uses less digits than its factorization.

7420134140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534 (or 3532 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 7420134140 is about 86140.2004873450. The cubic root of 7420134140 is about 1950.4609158105.

Adding to 7420134140 its reverse (414310247), we get a palindrome (7834444387).

The spelling of 7420134140 in words is "seven billion, four hundred twenty million, one hundred thirty-four thousand, one hundred forty".