613742140 has 48 divisors (see below), whose sum is σ = 1408073184. Its totient is φ = 222854400.

The previous prime is 613742113. The next prime is 613742153. The reversal of 613742140 is 41247316.

613742140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 613742099 and 613742108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191350 + ... + 194530.

It is an arithmetic number, because the mean of its divisors is an integer number (29334858).

Almost surely, 2^613742140 is an apocalyptic number.

It is an amenable number.

613742140 is an abundant number, since it is smaller than the sum of its proper divisors (794331044).

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

613742140 is a wasteful number, since it uses less digits than its factorization.

613742140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4078 (or 4076 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 613742140 is about 24773.8196489762. The cubic root of 613742140 is about 849.8233266026.

Adding to 613742140 its reverse (41247316), we get a palindrome (654989456).

The spelling of 613742140 in words is "six hundred thirteen million, seven hundred forty-two thousand, one hundred forty".