140580000 has 360 divisors, whose sum is σ = 552648096. Its totient is φ = 33600000.

The previous prime is 140579941. The next prime is 140580001. The reversal of 140580000 is 85041.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (140580001) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1979965 + ... + 1980035.

Almost surely, 2^140580000 is an apocalyptic number.

140580000 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 140580000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276324048).

140580000 is an abundant number, since it is smaller than the sum of its proper divisors (412068096).

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

140580000 is a wasteful number, since it uses less digits than its factorization.

140580000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 140580000 is about 11856.6437072217. The cubic root of 140580000 is about 519.9654809433.

The spelling of 140580000 in words is "one hundred forty million, five hundred eighty thousand".