140315280 has 200 divisors, whose sum is σ = 528186432. Its totient is φ = 30185472.

The previous prime is 140315267. The next prime is 140315291. The reversal of 140315280 is 82513041.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 140315280.

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, 8253832 + ... + 8253848.

Almost surely, 2^140315280 is an apocalyptic number.

140315280 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 140315280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264093216).

140315280 is an abundant number, since it is smaller than the sum of its proper divisors (387871152).

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

140315280 is an frugal number, since it uses more digits than its factorization.

140315280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 140315280 is about 11845.4750854493. The cubic root of 140315280 is about 519.6389011773.

The spelling of 140315280 in words is "one hundred forty million, three hundred fifteen thousand, two hundred eighty".