140420146860 has 240 divisors, whose sum is σ = 508626237504. Its totient is φ = 31764897792.

The previous prime is 140420146843. The next prime is 140420146877. The reversal of 140420146860 is 68641024041.

It is a happy number.

140420146860 is a `hidden beast` number, since 1 + 404 + 201 + 46 + 8 + 6 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (140420146843) and next prime (140420146877).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1036152 + ... + 1163808.

Almost surely, 2^140420146860 is an apocalyptic number.

140420146860 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 140420146860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254313118752).

140420146860 is an abundant number, since it is smaller than the sum of its proper divisors (368206090644).

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

140420146860 is a wasteful number, since it uses less digits than its factorization.

140420146860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127782 (or 127771 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 140420146860 in words is "one hundred forty billion, four hundred twenty million, one hundred forty-six thousand, eight hundred sixty".