140808807 has 32 divisors (see below), whose sum is σ = 222566400. Its totient is φ = 87675264.

The previous prime is 140808803. The next prime is 140808817. The reversal of 140808807 is 708808041.

It is not a de Polignac number, because 140808807 - 2² = 140808803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140808803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62698 + ... + 64904.

It is an arithmetic number, because the mean of its divisors is an integer number (6955200).

Almost surely, 2^140808807 is an apocalyptic number.

140808807 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

140808807 is a deficient number, since it is larger than the sum of its proper divisors (81757593).

140808807 is a wasteful number, since it uses less digits than its factorization.

140808807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2372 (or 2366 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 140808807 is about 11866.2886784369. The cubic root of 140808807 is about 520.2474253978.

The spelling of 140808807 in words is "one hundred forty million, eight hundred eight thousand, eight hundred seven".