140359860 has 108 divisors (see below), whose sum is σ = 436241988. Its totient is φ = 36529152.

The previous prime is 140359831. The next prime is 140359867. The reversal of 140359860 is 68953041.

140359860 is a `hidden beast` number, since 1 + 4 + 0 + 3 + 598 + 60 = 666.

140359860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 53758224 + 86601636 = 7332^2 + 9306^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140359867) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 397444 + ... + 397796.

Almost surely, 2^140359860 is an apocalyptic number.

140359860 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 140359860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218120994).

140359860 is an abundant number, since it is smaller than the sum of its proper divisors (295882128).

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

140359860 is a wasteful number, since it uses less digits than its factorization.

140359860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 140359860 is about 11847.3566672064. The cubic root of 140359860 is about 519.6939273757.

It can be divided in two parts, 140 and 359860, that added together give a square (360000 = 600²).

The spelling of 140359860 in words is "one hundred forty million, three hundred fifty-nine thousand, eight hundred sixty".