140347008 has 96 divisors (see below), whose sum is σ = 417888900. Its totient is φ = 45158400.

The previous prime is 140347007. The next prime is 140347061. The reversal of 140347008 is 800743041.

It can be written as a sum of positive squares in 2 ways, for example, as 131056704 + 9290304 = 11448^2 + 3048^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (140347007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31308 + ... + 35508.

Almost surely, 2^140347008 is an apocalyptic number.

140347008 is a gapful number since it is divisible by the number (18) 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 140347008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208944450).

140347008 is an abundant number, since it is smaller than the sum of its proper divisors (277541892).

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

140347008 is a wasteful number, since it uses less digits than its factorization.

140347008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4250 (or 4235 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 140347008 is about 11846.8142553178. The cubic root of 140347008 is about 519.6780650292.

The spelling of 140347008 in words is "one hundred forty million, three hundred forty-seven thousand, eight".