140124320 has 144 divisors (see below), whose sum is σ = 392740488. Its totient is φ = 47093760.

The previous prime is 140124301. The next prime is 140124329. The reversal of 140124320 is 23421041.

It can be written as a sum of positive squares in 4 ways, for example, as 109077136 + 31047184 = 10444^2 + 5572^2 .

It is not an unprimeable number, because it can be changed into a prime (140124329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 478094 + ... + 478386.

Almost surely, 2^140124320 is an apocalyptic number.

140124320 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 140124320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196370244).

140124320 is an abundant number, since it is smaller than the sum of its proper divisors (252616168).

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

140124320 is a wasteful number, since it uses less digits than its factorization.

140124320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 140124320 is about 11837.4118792919. The cubic root of 140124320 is about 519.4030625384.

Adding to 140124320 its reverse (23421041), we get a palindrome (163545361).

The spelling of 140124320 in words is "one hundred forty million, one hundred twenty-four thousand, three hundred twenty".