140305152 has 216 divisors, whose sum is σ = 430907904. Its totient is φ = 40415232.

The previous prime is 140305093. The next prime is 140305153. The reversal of 140305152 is 251503041.

It is not an unprimeable number, because it can be changed into a prime (140305153) 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, 2985193 + ... + 2985239.

It is an arithmetic number, because the mean of its divisors is an integer number (1994944).

Almost surely, 2^140305152 is an apocalyptic number.

140305152 is a gapful number since it is divisible by the number (12) 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 140305152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215453952).

140305152 is an abundant number, since it is smaller than the sum of its proper divisors (290602752).

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

140305152 is a wasteful number, since it uses less digits than its factorization.

140305152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 140305152 is about 11845.0475727200. The cubic root of 140305152 is about 519.6263983113.

Adding to 140305152 its reverse (251503041), we get a palindrome (391808193).

The spelling of 140305152 in words is "one hundred forty million, three hundred five thousand, one hundred fifty-two".