140134308 has 48 divisors (see below), whose sum is σ = 345569280. Its totient is φ = 44108064.

The previous prime is 140134303. The next prime is 140134321. The reversal of 140134308 is 803431041.

It is not an unprimeable number, because it can be changed into a prime (140134303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18591 + ... + 25017.

It is an arithmetic number, because the mean of its divisors is an integer number (7199360).

Almost surely, 2^140134308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140134308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172784640).

140134308 is an abundant number, since it is smaller than the sum of its proper divisors (205434972).

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

140134308 is a wasteful number, since it uses less digits than its factorization.

140134308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6536 (or 6534 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 140134308 is about 11837.8337545347. The cubic root of 140134308 is about 519.4154031859.

Adding to 140134308 its reverse (803431041), we get a palindrome (943565349).

The spelling of 140134308 in words is "one hundred forty million, one hundred thirty-four thousand, three hundred eight".