140630580 has 120 divisors (see below), whose sum is σ = 450793728. Its totient is φ = 36683712.

The previous prime is 140630569. The next prime is 140630621. The reversal of 140630580 is 85036041.

It is a super-3 number, since 3×140630580³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 75217 + ... + 77063.

Almost surely, 2^140630580 is an apocalyptic number.

140630580 is a gapful number since it is divisible by the number (10) 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 140630580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225396864).

140630580 is an abundant number, since it is smaller than the sum of its proper divisors (310163148).

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

140630580 is a wasteful number, since it uses less digits than its factorization.

140630580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915 (or 1904 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 140630580 is about 11858.7764967555. The cubic root of 140630580 is about 520.0278338158.

The spelling of 140630580 in words is "one hundred forty million, six hundred thirty thousand, five hundred eighty".