140353620 has 96 divisors (see below), whose sum is σ = 443560320. Its totient is φ = 32847360.

The previous prime is 140353601. The next prime is 140353621. The reversal of 140353620 is 26353041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140353621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15474 + ... + 22806.

It is an arithmetic number, because the mean of its divisors is an integer number (4620420).

Almost surely, 2^140353620 is an apocalyptic number.

140353620 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 140353620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221780160).

140353620 is an abundant number, since it is smaller than the sum of its proper divisors (303206700).

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

140353620 is a wasteful number, since it uses less digits than its factorization.

140353620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7385 (or 7383 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 140353620 is about 11847.0933143957. The cubic root of 140353620 is about 519.6862258905.

The spelling of 140353620 in words is "one hundred forty million, three hundred fifty-three thousand, six hundred twenty".