613140940 has 24 divisors (see below), whose sum is σ = 1329132672. Its totient is φ = 237344640.

The previous prime is 613140893. The next prime is 613140959. The reversal of 613140940 is 49041316.

It is a junction number, because it is equal to n+sod(n) for n = 613140899 and 613140908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493849 + ... + 495088.

It is an arithmetic number, because the mean of its divisors is an integer number (55380528).

Almost surely, 2^613140940 is an apocalyptic number.

It is an amenable number.

613140940 is an abundant number, since it is smaller than the sum of its proper divisors (715991732).

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

613140940 is a wasteful number, since it uses less digits than its factorization.

613140940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988977 (or 988975 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 613140940 is about 24761.6828991892. The cubic root of 613140940 is about 849.5457503667.

The spelling of 613140940 in words is "six hundred thirteen million, one hundred forty thousand, nine hundred forty".