613480140 has 432 divisors, whose sum is σ = 2391637248. Its totient is φ = 124540416.

The previous prime is 613480129. The next prime is 613480193. The reversal of 613480140 is 41084316.

613480140 = 43² + 44² + ... + 1225².

613480140 is a `hidden beast` number, since 613 + 4 + 8 + 0 + 1 + 40 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 9156387 + ... + 9156453.

Almost surely, 2^613480140 is an apocalyptic number.

613480140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 613480140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1195818624).

613480140 is an abundant number, since it is smaller than the sum of its proper divisors (1778157108).

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

613480140 is a wasteful number, since it uses less digits than its factorization.

613480140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 613480140 is about 24768.5312443027. The cubic root of 613480140 is about 849.7023825408.

The spelling of 613480140 in words is "six hundred thirteen million, four hundred eighty thousand, one hundred forty".