140863008 has 192 divisors, whose sum is σ = 449777664. Its totient is φ = 38016000.

The previous prime is 140862991. The next prime is 140863013. The reversal of 140863008 is 800368041.

It is a happy number.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 425403 + ... + 425733.

It is an arithmetic number, because the mean of its divisors is an integer number (2342592).

Almost surely, 2^140863008 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 140863008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224888832).

140863008 is an abundant number, since it is smaller than the sum of its proper divisors (308914656).

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

140863008 is a wasteful number, since it uses less digits than its factorization.

140863008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 140863008 is about 11868.5722814499. The cubic root of 140863008 is about 520.3141691241.

The spelling of 140863008 in words is "one hundred forty million, eight hundred sixty-three thousand, eight".