140251320 has 192 divisors, whose sum is σ = 503418240. Its totient is φ = 33580800.

The previous prime is 140251297. The next prime is 140251361. The reversal of 140251320 is 23152041.

140251320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 140251293 and 140251302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 423555 + ... + 423885.

It is an arithmetic number, because the mean of its divisors is an integer number (2621970).

Almost surely, 2^140251320 is an apocalyptic number.

140251320 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 140251320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251709120).

140251320 is an abundant number, since it is smaller than the sum of its proper divisors (363166920).

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

140251320 is a wasteful number, since it uses less digits than its factorization.

140251320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 140251320 is about 11842.7750126396. The cubic root of 140251320 is about 519.5599334046.

The spelling of 140251320 in words is "one hundred forty million, two hundred fifty-one thousand, three hundred twenty".