140203385 has 16 divisors (see below), whose sum is σ = 192471552. Its totient is φ = 96043200.

The previous prime is 140203367. The next prime is 140203387. The reversal of 140203385 is 583302041.

It is a de Polignac number, because none of the positive numbers 2^k-140203385 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140203387) 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, 64415 + ... + 66555.

It is an arithmetic number, because the mean of its divisors is an integer number (12029472).

Almost surely, 2^140203385 is an apocalyptic number.

It is an amenable number.

140203385 is a deficient number, since it is larger than the sum of its proper divisors (52268167).

140203385 is a wasteful number, since it uses less digits than its factorization.

140203385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4024.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 140203385 is about 11840.7510319236. The cubic root of 140203385 is about 519.5007350472.

The spelling of 140203385 in words is "one hundred forty million, two hundred three thousand, three hundred eighty-five".