208140975 has 192 divisors, whose sum is σ = 476160000. Its totient is φ = 88905600.

The previous prime is 208140937. The next prime is 208140983. The reversal of 208140975 is 579041802.

It is not a de Polignac number, because 208140975 - 2⁸ = 208140719 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6714210 + ... + 6714240.

It is an arithmetic number, because the mean of its divisors is an integer number (2480000).

Almost surely, 2^208140975 is an apocalyptic number.

208140975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

208140975 is an abundant number, since it is smaller than the sum of its proper divisors (268019025).

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

208140975 is a wasteful number, since it uses less digits than its factorization.

208140975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 208140975 is about 14427.0917027653. The cubic root of 208140975 is about 592.6330417473.

The spelling of 208140975 in words is "two hundred eight million, one hundred forty thousand, nine hundred seventy-five".